phat hien va sua loi cu phap cho chuong trinh: in ra man hinh tong cac so le co trong day so

Program tong_so_le;
Var N, i : byte; Tong : integer;
A: Array(1..250) of Integer ;
begin
write('Nhap gia tri cho N='); Readln(N);
write('nhap gia tri cho day so');
For i=1 to N do Readln(A[i]);
Tong :=0;
For i :=1 to N do;
If (A[i] mod 2<>0) then Tong :=Tong + A[i];
Write('Tong cac so le trong day so la: ',Dem);
Readln
End.

i/ choose the one word or phrase abc or d, that best completes the sentences or substitutes for the underlined word or phrase
4. the school appeared essentially ______ since my day
a, changed b. unchanged c. changeable d. unchangeable
5, i've got lots of_____ but only a few are really good friends
a. close friends b. accquaintances c. neighbors d. partners
6, unselfishness is the very essence of friendship
a. romantic part b. important part c. difficult part d, interesting part
7. they ____ a close friendship at university
a. created b. became c. promoted d. formed
8. we stayed friends even after we ____ and left home
a. brought up b. turned up c. grew up d. took up
9. Sarah brightened ____ considerably as she thought of Emily's words
a. with b. on c. up d. for
10. does he tell you how he is getting ___ his new friend
a. on with b. on of c. away with d. out of
11. there is no truth in the ___ that Margaret has lost her job
a. rumour b. case c. instance d. news
12. friendship is a two side ____; it lives by give and take
a. affair b. event c. way d. aspect
13. Jen had confided her secret to Mark ; but he betrayed her _________-
a, loyalty b. trust c. constancy d. sympathy
14. it was so relaxing to be ___ old friend
a. in b. between c. among d. around
15. she's made friends ___ a little girl who lives next door
a. to b. of c.by d. with
16. the children seem to be totally capable _____ working by themselves
a. on b. of c. in d, for
17. they were extremely ____ to my plight
a. sympathyzed b. sympathetic c. sympathy d. sympathetical
18. the president expressed his deep sorrow over the bombing deaths
a. sadness b. anxiety c. disappointment d. interest

CHOOSE THE WORD OR PHRASE ABC OR D THAT BEST COMPLETES THE SENTENCE
1. the aim of the culture festival is ___ friendship beween the two countries
a, promote b. promoting c. to promote d, being promoted
2. how can you let such a silly incident ____ your friendship
a. wreck b, to wreck c, wrecking d. that wrecks
3. i think your mother should let you ___ your own mind
a. make up b. to make up c. making up d. made up
4. do you know what made so many people ___ their home >
a. evacuate b. to evacuate c. evacuated d. be evacuated
5. it has become necessary ___ water in the metropolitan area because of the severe drought
a. rationing b. ration c. to ration d. to have rationed
6. ______ good ice cream, you need to use alot of cream
a. make b. making c. to make d. for make
7. i got my friend ___ her car for the weekend
a. to let me to borrow b. to let me borrow
c. let me borrow d. let me to borrow
8, he finds it ___ lasting friendships
a. difficuld to make b. difficulty in making c. is difficult to make d. difficult making
9. they ___ god friends but they've fallen out recently
a. used to be b. would be c. were d. are
10. how about going to the theater? ok but i would reather ___ a concert
a. attend b. to attend c, attending d. have attended
11. jim doesn't speak very clearly____
a. its difficult to understand him
b. its difficult for understanding him
c, he's difficult in understand him
d. its difficult to understand
12. last night we saw a meteor __ through the sky
a. streaked b. to streak c. streak d. to have streaked
13. the skiers would reather ___ through the mountains than go by bus
a. to travel on train b. traveled by train c. travel by train d. traveling by the train
14. ___bread, you usually need flour salt and yeast
a. make b. to make c. making d. for make
15. i was delighted ___ my old friend again
a. to see b. seeing c. seen d. to be seen
16. i'd rather __ to Elvis than the Beatles
a. listen b. to listen c. listening d. listened
17. of we leave now for our trip, we can drive half the distance before we stop ___ lunch
a. having b. to have c. having had d. for having
18. its possible ___ a train across Canada
a. take b. to take c. taking d. to be taken
19. before we leve, let's have Shelley ___ a map for us so we won't get lost
a. draw b. to draw c. drawing d. drawn

I DENTIFY THE ONE UNDERLINED WORD OR PHRASE ABC OR D THAT MUST BE CHANGED FOR THE SENTENCE TO BE CORRECT
1. simon (finds) (it hard) (for making) friends (with) other children
2. whatever (happened) i (didn't want) (to lose) friendship (of) Vera
3. (during) a curfew it is not possible (walking) (on) the streets after (a specifield) hour
4. clay (that) (has been) heated or fried in a kiln cannot (to be) (softened) again
5. as they (grow older) children in many cultures (were taught) (not to rely) (on their parents)
6. the basic (aims of )science and magic are very (similar) (to understand) and (to control) nature

WRITING
1. they arrived home late
-he saw
2. she didn't want to stay there for the weekend
-they made her
3. contacting her at work is quite easy
- she is quite easy
4. can you sign the papers please? they are ready now
- the papers are
5. dont lend Tom any money. that would be most unwise
- you would be
6. mr. pinchley doesn't allow his teenage children to go out in the evenings
- mr pinchley makes
7, harry couldn't get his parents permission to boy a motorboke
-harry's parents didn't
8, my sister asks me to iron some clothes for her
.- my sister has

i/ choose the one word or phrase abc or d, that best completes the sentences or substitutes for the underlined word or phrase
4. the school appeared essentially ______ since my day
a, changed b. unchanged c. changeable d. unchangeable
5, i've got lots of_____ but only a few are really good friends
a. close friends b. accquaintances c. neighbors d. partners
6, unselfishness is the very essence of friendship
a. romantic part b. important part c. difficult part d, interesting part
7. they ____ a close friendship at university
a. created b. became c. promoted d. formed
8. we stayed friends even after we ____ and left home
a. brought up b. turned up c. grew up d. took up
9. Sarah brightened ____ considerably as she thought of Emily's words
a. with b. on c. up d. for
10. does he tell you how he is getting ___ his new friend
a. on with b. on of c. away with d. out of
11. there is no truth in the ___ that Margaret has lost her job
a. rumour b. case c. instance d. news
12. friendship is a two side ____; it lives by give and take
a. affair b. event c. way d. aspect
13. Jen had confided her secret to Mark ; but he betrayed her _________-
a, loyalty b. trust c. constancy d. sympathy
14. it was so relaxing to be ___ old friend
a. in b. between c. among d. around
15. she's made friends ___ a little girl who lives next door
a. to b. of c.by d. with
16. the children seem to be totally capable _____ working by themselves
a. on b. of c. in d, for
17. they were extremely ____ to my plight
a. sympathyzed b. sympathetic c. sympathy d. sympathetical
18. the president expressed his deep sorrow over the bombing deaths
a. sadness b. anxiety c. disappointment d. interest

CHOOSE THE WORD OR PHRASE ABC OR D THAT BEST COMPLETES THE SENTENCE
1. the aim of the culture festival is ___ friendship beween the two countries
a, promote b. promoting c. to promote d, being promoted
2. how can you let such a silly incident ____ your friendship
a. wreck b, to wreck c, wrecking d. that wrecks
3. i think your mother should let you ___ your own mind
a. make up b. to make up c. making up d. made up
4. do you know what made so many people ___ their home >
a. evacuate b. to evacuate c. evacuated d. be evacuated
5. it has become necessary ___ water in the metropolitan area because of the severe drought
a. rationing b. ration c. to ration d. to have rationed
6. ______ good ice cream, you need to use alot of cream
a. make b. making c. to make d. for make
7. i got my friend ___ her car for the weekend
a. to let me to borrow b. to let me borrow
c. let me borrow d. let me to borrow
8, he finds it ___ lasting friendships
a. difficuld to make b. difficulty in making c. is difficult to make d. difficult making
9. they ___ god friends but they've fallen out recently
a. used to be b. would be c. were d. are
10. how about going to the theater? ok but i would reather ___ a concert
a. attend b. to attend c, attending d. have attended
11. jim doesn't speak very clearly____
a. its difficult to understand him
b. its difficult for understanding him
c, he's difficult in understand him
d. its difficult to understand
12. last night we saw a meteor __ through the sky
a. streaked b. to streak c. streak d. to have streaked
13. the skiers would reather ___ through the mountains than go by bus
a. to travel on train b. traveled by train c. travel by train d. traveling by the train
14. ___bread, you usually need flour salt and yeast
a. make b. to make c. making d. for make
15. i was delighted ___ my old friend again
a. to see b. seeing c. seen d. to be seen
16. i'd rather __ to Elvis than the Beatles
a. listen b. to listen c. listening d. listened
17. of we leave now for our trip, we can drive half the distance before we stop ___ lunch
a. having b. to have c. having had d. for having
18. its possible ___ a train across Canada
a. take b. to take c. taking d. to be taken
19. before we leve, let's have Shelley ___ a map for us so we won't get lost
a. draw b. to draw c. drawing d. drawn

I DENTIFY THE ONE UNDERLINED WORD OR PHRASE ABC OR D THAT MUST BE CHANGED FOR THE SENTENCE TO BE CORRECT
1. simon (finds) (it hard) (for making) friends (with) other children
2. whatever (happened) i (didn't want) (to lose) friendship (of) Vera
3. (during) a curfew it is not possible (walking) (on) the streets after (a specifield) hour
4. clay (that) (has been) heated or fried in a kiln cannot (to be) (softened) again
5. as they (grow older) children in many cultures (were taught) (not to rely) (on their parents)
6. the basic (aims of )science and magic are very (similar) (to understand) and (to control) nature

WRITING
1. they arrived home late
-he saw
2. she didn't want to stay there for the weekend
-they made her
3. contacting her at work is quite easy
- she is quite easy
4. can you sign the papers please? they are ready now
- the papers are
5. dont lend Tom any money. that would be most unwise
- you would be
6. mr. pinchley doesn't allow his teenage children to go out in the evenings
- mr pinchley makes
7, harry couldn't get his parents permission to boy a motorboke
-harry's parents didn't
8, my sister asks me to iron some clothes for her
.- my sister has

2016-2017
2. _____ my grandfather is very old he still goes fishing with his friends every sunday
a. because b. although c. despite d. in spite of
3. some of the new horror movies are _____ because they are so realistic
a. frighten b. frightened c. frightful d. frightening
4. these trees hadn't grown realistic there had been enough water
a. when b. as c. if d. unless
5. they are talking realistic the discussion along with many other organizations
a. apart b. after c. part in d. up
6, our grandparents do morning exercises regularly _____ improve thier health
a. so as to not b. in order that c. so that d. in order to
7. lady gaga's a new album is very _____ thousands of cds were sold only on the frist day
a. popularity b. popularuation c. popularize d. popular
8. my mother bought a lot of seafood this morning. we _____ barbecue in the garden tonight
a. have had b. will have c. have d. are going to have
9. before the competitors joined the world cup, they _____careful preparation
a. made b. has made c. was making d. had made
10. tom " _____ beef do you need to buy for spaghetti" - mary " only one kilo"
a. how much b. how far c. how many d. how long
11. many species of wild life are _____ of extinction
a. in dangers b. on the verge c. on the side d. at risk

MARK THE LETTER ABC OR D ON YOUR ANSWER SHEET TO INDICATE THE UNDERLINED PART THAT NEED CORRECTION IN EACH OF THE FOLLOWING QUESTIONS FROM 12 to 15
12. ( The ) new television model has just ( being ) ( displayed) by ( our) company
13. if ( my ) brother hadn't (followed) your advice, he (wouldn't have ) such a (wonderful)
14. i can't believe how ( much ) johny (changed) since the last time i ( saw) him (in london)
15 thanks to many ( scientific discoveries) and inventions . we can (enjoy) more and more (excited films ) with a lot of ( wonderful ) scenes

READ THE FOLLOWING PASAGE AND MARK THE LETTER ABC OR D ON YOUR ANSWER SHEET TO INDICATE THE CORRECT WORD FOR EACH OF THE BLANKS FROM 16 to 20
Music plays an importan (16) in our daily lives. it would be impossible for a day to go by without music. music serves many function within ourr society : it (17)
to entertain, relax, motivate, persuade, teach, treat diseases, promote and so on
advertiser are fully aware (18) the role music can play in entering the mind of the consumer. for example. the most effective way to aidd the memory of the comsumer is to accompany an advertisement with and (19) song, once the comsumer like that song they might remember the brand name of the advertised product as well they will choose that product while standing in front of a shell full of goods of different brand names
music at special occasions is essential. at the olympic sports events it is interesting to observe how music is played. entertainment is and obious funcition but further music at such events helpscreat an exciting atmosphere the use of national (20) is to prmote the felling of partriotism thus encouraging the athietes to make greator efforts
16. a . place b. thing c. life d. part
17. a. used b. is used c. using d. to use
18. over b. of c. to d. about
19. interest b. to interest c. interesting d. interested
20. a . athems b. classical music c. songs d. folk music
21. peter and mary are talking about some activitles which they do in their free time
-peter : i love listening to music . i often download 500 songs every day
- mary ______
a/ you must be kidding
b. i don't believe in you
c. that's what i think
d. that sounds like fun
22. henry and jack are haing lunch at the local restaurant. they sse someone is smoking there
henry : i think smoking should be banned in all restaurants - jack _____
a. i don't know about that b. i don't care for all
c. i couldn't agree with you more
d. sorry but i don't think i can make it
CLOSET
23. we need to express what we feel letting out the emotions through word and actions
a. talk b. speak c. show d. say
24.water pollution is more and more serious due to the tests of nuclear weapons in the seas
a. elimination b. enviroment c. contamination d. circulation

MARKT HE LETTER ABC OR D ON YOUR ANSWER SHEET TO INDICATE THE WORD THAT DIFFERS FROM THE REST IN POSITION OF THE MAIN STRESS IN EACH OF FOLLOWING QUESTION FROM 25 to 26
25. a. semsester b. audience c. language d. solemn
26. a. environment b. entertainment c. conservatioon d. popularity

27. a. misses b. arrives c. finishes d. teaches
28 a. eliminated b. protected c. visited d. destroyed

OPPOSSITE
29. with out plants . most water would run off as soon as it falls talking away valuable soil
a. impossible b. rich c. unimportant d. precious
30. my mother is a live wire who is always as busy as a bee
a. leisurely b. suitably c. freely d. appropriately

writing
36. if he_____ more carefully he couldn't make so many mistakes in his writing (write)
37. don't be jealous with their _____ try your best and you'll have it (successful)
38. the classrooms are being _____ by the students at the moment. (decorate)
39. i never watch that _____ film . when i watch a thriller . i can't sleep well ( thriller)
40, scientists have overcome many of the challengers of the _____ by using moderm devices ( deep)

FILL IN THE BLANKS WITH ONE SUITABLE WORRD THAT MAKES THE SENTENCE MEANINGFUL
41. we've already met the man _____ often appears on television every night
42. mery was interested _____ drawing when she was a child
43. i looked up the new words in the dictionary in _____ to find the meanings of them
44. mike : what was the score of the football match _____ vietnam and thailand
jack : by one to nil
45. kaen still wanted to come to the cinema with us _____ she had already seen the film

REWRITE
46. Kenvis didn't finish his report until last thurday
-> it was
47. we reserve these seats for special guests who will come at 7 pm
-> these
48. jack doesn't have time to talk to us because he is busy with his homework
-> if jack
49. he didn't like dramas until he watched the one played by thanh loc
-> not until
50. huong didn't study english well in high school so she doesn't have many job opportunities now
-> huong would

REVIEW

21. Because he sits around too much, he isn't fit

-> if he

22. Rita was exhausted because she didn't get any sleep

-> if rita

23. She's very thin; perhaps that's why she feels cold so much

-> if she

24. He never polishes his shoes, so he never looks smart

-> if he

25. He can't park near his office;that's whyvhe doesn' come by car

-> if he

26. My house is guarded by two big dogs. That's the only reason it isn't broken into every night

-> if my house

27. The flats were not clearly numbered, so it was very difficult to find them

-> if the flats

28. I don't know her email address so i can't tell you

->if i

29. She doesn't live in london because she doesn't know anyone there

-> she would

30. I couldn't live in the country because i couldn't find a job here

->i could

31. She had no time to play with her children because she worked in the evening

-> if she

32. He doesn't see the signal so he doesn't stop his car

-> if he

33. Marry doesn't have enough money so she can't buy a new car

-> marry could

34. Prepare the lesson well or you won't understand it

-if you

35. He doesn't apply for thr job because he doesn't have enough qualification

-> if he

36. Hurry up or we will be late for the exam

-> if we

37. They do not understand you because you do not often talk to them

-> unless

WRITE A SENTENCE WITH IF FOR EACH SITUATION
1. he is poor, so he can't make an abroad tour
-> were
2. we came home from ourr holiday early because we ran out of money
-> had
3. i can't enter the room now because i left the key at home
-> if
4/ the men is wearing protective clothing, so they are safe
-> the men would
5. be patient or you will destroy everything
-> if you
6. they used to drink beer for breakfast in england years ago
-> beer

REWRITE THE FOLLOWING SENTENCES
1. i think you shouldn't take part in this dancing club
-> if i
2. i advise you to listen to the teacher during the lesson
-> if i
3. leave me alone or i will call the police
-> if
4. finish your paper or you can't go home
-> if
5. they made the little boy climb the chimneys to clean them
-> the little boy
6. they say exercise is good for health
-> exercise
7. you need to have your hair cut
-> your hair
8. andrew wanted to ask Frank Sinatra for his autograph, but he wasn't brave enough
-> had
9. i don't know anything about plumbing so i can't fix the leak in the sink myself
-> were
10. you need to have your housse rebuilt
-> your house
11. my parents have just given one of my most favorite toy to me
-> one of my most favorite toys
12. it is said that on of the workers quits the job
-> one of the workers
13. the students need to do homework every day
-> the homework
14. my father made me get to school by bike
-> i
15. the kind boss has allowed the unemployed to work in his company
-> the unemployed
16. he doesn't like people laughing at him
-> he doesn't like
17. mrs. lan has taken care of the old in my neighborhood recently
-> the old in my neighborhood
18. no one in my family has eaten a snail before
-> a snail
19. nobody in the party has tasted my dishes
-> my dishes
20. bring the raincoat with you or you will get wet on the way back
-> should
21. there is a grammar error in this English essay, that's why it can't get a full mark
-> if
22. because i don't have a typewriter, i can't type it myself
-> i could
23. he was tired so he made a mistake
-> if
24. he has just brought some cups of tea to the visitors in the next room
-> some cups of tea
25. she can't be employed because she doesn't have college degree
-> if she
26. there are industrial factories inside the city, that's why pollution can't be reduced
-> pollution could
27. it rained heavily so they didn't go camping last sunday
-> had
28. although the weather was bad, i still got to schoold
-> in spite of
29. he still went to work although he felt too tired
-> despite
30. because it rained , we decided to stay home and watch tv
-> because of

TEST 2
I/ CHOOSE THE BEST ANSWER
1. i haven't eaten anything since i ...... home from football practice
a. have got b. had gotten c. got d. will get
2. dr. lam ............ about the life time of sharks for many year and ....... some awards so far
a. have studied/ had gotten b. had studied/ had gotten
c. has studied/ has gotten d. studied/ will get
3. a large hydroelectric ...... was built on the river Danube
a. power b. dam c. bank d. wall
4. water can be held on the land by vegetation
a. plants used as food b. grown trees c. the growth of plants d. plants and trees
5. .......... air makes people unpleasant to breathe
a. pollute b. pollution c. polluted d. polluting
6. we are now facing the possible ........ of several rare spceies
a. danger b. variety c. existence d. dissappearance
7. of the six people in the plan when it crashed only one......
a. existed b. lived c. hurt d. survived
8. the cattle drank from a river polluted with toxic chemicals
a. waste b. colorless c. odorless d. poisonous
9. the charity is totally dependent .... money from the public
a. from b. in c. upon d. with
10. when the wastes are poured into the atmosphere the air becomes contaminated and unpleasant to breathe
a. dense b. dirty c. upon d. with
11. they were sent to a local ........ right after theirr parent's death
a. orphanage b. hospital c. park d. prison
12. cuc phuong national park is ......... 160km south west of hanoi
a. lied b. established c. abandoned d. located
13. nearly 1000 of the world's bird species are ........ with extinction
a. threatened b. endangered c. protected d. abandoned
14. many people come to the nation parks to see the work being done to protect endangered species
a. plants or animals that may be dangerous to people
b. plants or animals that disappeared form the world
c. plants or animals that are about to die
d. plants or animals that may soon become extinct
15. rare species of plants or ........ can be found in this region
a. fauna b. flora c. flowers d. vegetation
16. the hydroelectric plant provides electricity for half the island's population
a. using hydrogen to produce electricity
b. using radiating energy to produce electricity
c. using water power to produce electricity
d. using tidal power to produce electricity
17. the whale is a(n) .............species, there must be laws to protect them or they will be extinct
a. endanger b. dangerous c. endangered d. endangering
18. if someone........you, say' thank you" to him
a. helps b. helped c. will help d. would help
19. ............. you, i would think twice about that deccision. it could be a bad move
a. if i am b. should i be. c. were i d. if i had been
20. if i weren't working for an electrical company, i ......... in the post office
a. work b. will work c. have worked d. would be working
21. why are you sitting in the dark. let's just sa that if i ..... my electricity bill last month. I.... in the dark now
a. paid/ wouldn't be b. paid/ won't be c. had paid/ wouldn't have been d. had paid/wouldn't be
22. why did tom keep making jokes about me? i don't enjoy .........
a. be laughed at b. to be lauged at c. laughing at d. being lauged at
23. if the world's tropical forest continue to disappear at their present rate. many animal species.....
a. became b. would have become c. will become d. would become
24. ....... resigned, we would have been forced to sack him
a. had he not b. hadn't be c. he had not d. he not had
25. i won't lend you this money..... you promise to pay it back
a. in case b. if c. otherwise d. unless
26. if you ......... us about the bad service, we'd have eaten there
a. didn't tell b. wouldn;t have told c. hadn't told d. had told
27. diana is a wonderfull ballet dancer. she ........ since she was four
a. would be dancing b. has been danced c. has danced d. was danced
28. if he ..... with us last weekend, he............ the beauty of the national park
a. were/ would enjoy b. was/ would be enjoying c. had been/ would enjoy d. had been/ would have enjoyed
29 . that part of the nation park ......... several times this year
a. is repaired b. has repaired c. repaired d. has been repaired

II/ choose the words or phrases that best complete this passage
cuc phuong, the first national park in viet nam was officially open in 1960. it (1).........160km south of west of hanoi spainning ninh binh , hoa binh and thanh hoa province. cuc phuong national park (2)............over 200 spare km of rainforest. it attracks (3)....... tourists and scientists. in 2002, nearly 100000 visitors made their way to cuc phuong. tourists come there to study butterfies, visit caves, hike mountain and look at the (4) ..... tree. many come to see the work done to protect (5)....... species. according, to scientists, there about 2000 different species of (6) ....... and 450 species of fauna in the park
1. a. locates b. located c. is located d. is locating
2. a . covers b. contains c. abandons d. controls
3. a. neither b. either c. both d. every
4. a . 1000- year-old b. 1000- years- old c. 1000 year old d. 1000 years
5. a. dangerous b. wild c. rare d. endangered
6. a. trees b. flora c. vegetation d. flowers

TEST 2
I/ CHOOSE THE BEST ANSWER
1. i haven't eaten anything since i ...... home from football practice
a. have got b. had gotten c. got d. will get
2. dr. lam ............ about the life time of sharks for many year and ....... some awards so far
a. have studied/ had gotten b. had studied/ had gotten
c. has studied/ has gotten d. studied/ will get
3. a large hydroelectric ...... was built on the river Danube
a. power b. dam c. bank d. wall
4. water can be held on the land by vegetation
a. plants used as food b. grown trees c. the growth of plants d. plants and trees
5. .......... air makes people unpleasant to breathe
a. pollute b. pollution c. polluted d. polluting
6. we are now facing the possible ........ of several rare spceies
a. danger b. variety c. existence d. dissappearance
7. of the six people in the plan when it crashed only one......
a. existed b. lived c. hurt d. survived
8. the cattle drank from a river polluted with toxic chemicals
a. waste b. colorless c. odorless d. poisonous
9. the charity is totally dependent .... money from the public
a. from b. in c. upon d. with
10. when the wastes are poured into the atmosphere the air becomes contaminated and unpleasant to breathe
a. dense b. dirty c. upon d. with
11. they were sent to a local ........ right after theirr parent's death
a. orphanage b. hospital c. park d. prison
12. cuc phuong national park is ......... 160km south west of hanoi
a. lied b. established c. abandoned d. located
13. nearly 1000 of the world's bird species are ........ with extinction
a. threatened b. endangered c. protected d. abandoned
14. many people come to the nation parks to see the work being done to protect endangered species
a. plants or animals that may be dangerous to people
b. plants or animals that disappeared form the world
c. plants or animals that are about to die
d. plants or animals that may soon become extinct
15. rare species of plants or ........ can be found in this region
a. fauna b. flora c. flowers d. vegetation
16. the hydroelectric plant provides electricity for half the island's population
a. using hydrogen to produce electricity
b. using radiating energy to produce electricity
c. using water power to produce electricity
d. using tidal power to produce electricity
17. the whale is a(n) .............species, there must be laws to protect them or they will be extinct
a. endanger b. dangerous c. endangered d. endangering
18. if someone........you, say' thank you" to him
a. helps b. helped c. will help d. would help
19. ............. you, i would think twice about that deccision. it could be a bad move
a. if i am b. should i be. c. were i d. if i had been
20. if i weren't working for an electrical company, i ......... in the post office
a. work b. will work c. have worked d. would be working
21. why are you sitting in the dark. let's just sa that if i ..... my electricity bill last month. I.... in the dark now
a. paid/ wouldn't be b. paid/ won't be c. had paid/ wouldn't have been d. had paid/wouldn't be
22. why did tom keep making jokes about me? i don't enjoy .........
a. be laughed at b. to be lauged at c. laughing at d. being lauged at
23. if the world's tropical forest continue to disappear at their present rate. many animal species.....
a. became b. would have become c. will become d. would become
24. ....... resigned, we would have been forced to sack him
a. had he not b. hadn't be c. he had not d. he not had
25. i won't lend you this money..... you promise to pay it back
a. in case b. if c. otherwise d. unless
26. if you ......... us about the bad service, we'd have eaten there
a. didn't tell b. wouldn;t have told c. hadn't told d. had told
27. diana is a wonderfull ballet dancer. she ........ since she was four
a. would be dancing b. has been danced c. has danced d. was danced
28. if he ..... with us last weekend, he............ the beauty of the national park
a. were/ would enjoy b. was/ would be enjoying c. had been/ would enjoy d. had been/ would have enjoyed
29 . that part of the nation park ......... several times this year
a. is repaired b. has repaired c. repaired d. has been repaired

II/ choose the words or phrases that best complete this passage
cuc phuong, the first national park in viet nam was officially open in 1960. it (1).........160km south of west of hanoi spainning ninh binh , hoa binh and thanh hoa province. cuc phuong national park (2)............over 200 spare km of rainforest. it attracks (3)....... tourists and scientists. in 2002, nearly 100000 visitors made their way to cuc phuong. tourists come there to study butterfies, visit caves, hike mountain and look at the (4) ..... tree. many come to see the work done to protect (5)....... species. according, to scientists, there about 2000 different species of (6) ....... and 450 species of fauna in the park
1. a. locates b. located c. is located d. is locating
2. a . covers b. contains c. abandons d. controls
3. a. neither b. either c. both d. every
4. a . 1000- year-old b. 1000- years- old c. 1000 year old d. 1000 years
5. a. dangerous b. wild c. rare d. endangered
6. a. trees b. flora c. vegetation d. flowers

WRITE A SENTENCE WITH IF FOR EACH SITUATION
1. he is poor, so he can't make an abroad tour
-> were
2. we came home from ourr holiday early because we ran out of money
-> had
3. i can't enter the room now because i left the key at home
-> if
4/ the men is wearing protective clothing, so they are safe
-> the men would
5. be patient or you will destroy everything
-> if you
6. they used to drink beer for breakfast in england years ago
-> beer

REWRITE THE FOLLOWING SENTENCES
1. i think you shouldn't take part in this dancing club
-> if i
2. i advise you to listen to the teacher during the lesson
-> if i
3. leave me alone or i will call the police
-> if
4. finish your paper or you can't go home
-> if
5. they made the little boy climb the chimneys to clean them
-> the little boy
6. they say exercise is good for health
-> exercise
7. you need to have your hair cut
-> your hair
8. andrew wanted to ask Frank Sinatra for his autograph, but he wasn't brave enough
-> had
9. i don't know anything about plumbing so i can't fix the leak in the sink myself
-> were
10. you need to have your housse rebuilt
-> your house
11. my parents have just given one of my most favorite toy to me
-> one of my most favorite toys
12. it is said that on of the workers quits the job
-> one of the workers
13. the students need to do homework every day
-> the homework
14. my father made me get to school by bike
-> i
15. the kind boss has allowed the unemployed to work in his company
-> the unemployed
16. he doesn't like people laughing at him
-> he doesn't like
17. mrs. lan has taken care of the old in my neighborhood recently
-> the old in my neighborhood
18. no one in my family has eaten a snail before
-> a snail
19. nobody in the party has tasted my dishes
-> my dishes
20. bring the raincoat with you or you will get wet on the way back
-> should
21. there is a grammar error in this English essay, that's why it can't get a full mark
-> if
22. because i don't have a typewriter, i can't type it myself
-> i could
23. he was tired so he made a mistake
-> if
24. he has just brought some cups of tea to the visitors in the next room
-> some cups of tea
25. she can't be employed because she doesn't have college degree
-> if she
26. there are industrial factories inside the city, that's why pollution can't be reduced
-> pollution could
27. it rained heavily so they didn't go camping last sunday
-> had
28. although the weather was bad, i still got to schoold
-> in spite of
29. he still went to work although he felt too tired
-> despite
30. because it rained , we decided to stay home and watch tv
-> because of

TEST 1
I/ CHOOSE THE BEST ANSWER
1/ the last time I ..... in Athens, the weather was hot and humid
a. had been b. was c. am d. will have been
2. since i left my hometown, i .... to visit my friends and family several times
a. had returned b. have returned c. returned d. will have returned
1. haft the world's rain forests have already been ....
a/ endangered b. eroded c. found d. destroyed
2/ try to eliminate fatty foods from your diet
a. limit b. get rid of c. move d. add
3. acid rain has caused severe... on the hillside
a. erosion b. pollution c. destruction d. floods
5. this channel allows rainwater to run off
a. keep inside b. move around c. flow into d. flow out of
6. scientists are nơ researching new meansures to prevent... levels from rising
a/ pollute b. polluted c. polluting d. pollution
7. this park is the orphanage where lots of orphaned and abandoned animals are taken care of
a. looked after b. involved in c. dealt with d. moved in
8. new laws have been passed to ... wildlife in this area
a. establish b. conserve c. produce d. endanger
9. they were seeking a solution to the ... of the rain forests
a. destroy b. destroying c. destroyer d. destruction
10........ ken didn't have a ticket he was allowed to come in
a. although b.because of c. because d. in spite of
11. most most species in this forest are threatended with .....
a. appearance b. protection c. extinction d. destruction
12. we really ought to make a start on campaigns to ... our polluted rivers and seas
a. clean up b. clear away c. wipe out d. tidy up
15. the turtle has a long life.....
a. age b. span c. expectancy d. b and C
16. thy water is so contaminated that it is not suitable for drinking
a. toxic b. salty c. dangerous d. polluted
17. without plants, water would... .... as soon as it falls
a. run out b. run off c. run of d. run away
20. he's really delighted with his new CD player
a. pleased b. angry c. entertained d. annoyed
21. will you see tom at lunch today ? i'd like you to give him a message. i'm not going to lunch, but if i ..... him later, I.......him your message
a. should see/ will see b. see/give c. saw/ would d. could see/ will give
22, " john moved the big table alone" did he ? if he ..... me , I .... him
a. asked/ would help b. asked/ might have helped c. had asked/ could help
d. had asked / would have helped
23. what a beautiful dress you're wearing
- thank you, it.... especially for me by a French tailor
a. makes b. has made c. made d. was made
24. last night a tornado swept through Rockville. It..... everything in its path
a. was destroy b. was being destroyed c. destroyed d. had been destroyed
25. in some areas water...... from the ground faster than nature can replenish the supply
a. is being taken b. has been taking c. is taking d. has taken
26. an announcement about the eight o'clock flight to Chicago.......
a. has been already made b. has already made c. has already been made d. already made
27. .......during the storm
a. they were collapsed the fence b. the fence was collapsed c. they collapsed the fence d. the fence collapsed
28. the new computer system.........next month
a. is being install by people b. is be installed
c. will be installed d. is been installed
29. today many serious childhood diseases.....by early immuization
a. are preventing b. can prevent c. prevent d. can be prevented
30. it would have been a much more serious accident ..... fast at the time
a. was she driving b. she had driven c. had she been driving d. if she drove
31. we can't go along here because the road.........
a. is repairing b. is being repaired c. have been repaired d. has repaired

II/ rewrite the following sentences
1. pay more attention or you won't understand what these people are saying
-> if
2. i have just read one of my most favourite novels
-> one of my most favourite novels
3. Alan's knowledge of art hasn't impressed me
-> i
4. the pollution in the city was affecting people's breathing
-> people's breathing
5. they are going to steal your money if you're not careful
-> your money
7. mary really wants to buy the book, but she doesn't have enough money
-> were
8. we believe that he has special knowledge which may be useful to the police
-> he
-> it
9. lan is going to take a monthly test next tuesday
-> a monthly test
10. my father makes me spell this word properly
-> i
11. all his friend will see him off at the airport
-> he
12. without helen's help, I couldn't have finished the work on time
-> if helen
-> if it