Choose the best answer for each of the following sentences
1. If I had time, I would go with you.
A. I am free and surely go with you.
B. I am too busy to go with you.
C. I will go with you because I have time.
D. I am free enough to go with you.

2. If Margaret hadn't been wearing a seat belt, she ____ Injured.
A. has been
B. would has been
C. would be
D. would have been

3. If I ____ the rain yesterday, I ______ ill.
A. had not caught / would have been
B. had not caught / would not have been
C. have not caught / were not
D. have not caught / would have been

4. He looked frightened as if he _____ a ghost.
A. sees
B. is seeing
C. has seen
D. had seen

5. What _____ if there _____ a serious nuclear accident.
A. will happen / was
B. happens / were
C. would happen / were
D. would happen / had been

II. Choose the best answer

A. will be studying

B.will have been studying
8. By the time you receive this letter, I ………………..for Japan.
A. leave B. have left C. will have left D. will leave
9. We had hardly sat down when she ……………plates of food for us.
A. brought B. has brought
C. had brought D. would have brought
10. When she ……………….her mistake, she apologized.
A. realized B. was realizing C. has realized D. had realized

GIÚP MÌNH VỚI MỌI NGƯỜI

Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been

Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~

Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she

2.If you_____to me, you wouldn’t have got so much trouble.

A. listened B. would listen C. had listened D. Would have listened

3.If you don’t know how to spell a word, you_____ look it up in the dictionary.

A. must B. will C. should D. ought

4.If the sun _____, we _____for a walk.

A. shines / will go B. shone / will go C. shone / would go D. had shone / would go

5.The campfire _____ if it _____ last night.

A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains

6.But for our parents, we _____ successful in life.

A. will never be B. would never be C. wouldn’t have be D. would have never been

7.If I _____ my wallet at home this morning, I _____ money for lunch now.

A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had

8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.

A. were / would know B. is / will know C. had been / would have known D. was / would know

9.If we _____ the plans carefully, we would not have had so many serious mistakes.

A. study B. had studied C. studied D. were studying

10.I will never talk to you again _____ you apologize me _____ your being rude.

A. if / for B. unless / for C. or / of D. whether / or

Choose the best answer to complete each of the following sentences:

1. If he _________ where he was going, he wouldn't have walked into the wall.

A. looked B. was looking

C. has looked D. had been looking

2. Tom ________ more if he _________ more time.

A. will read - has B. reads - will have

C. would read - had D. read - would have

Choose the best answer for thye following questions.

1. I am considering _______ my job. Can you recommend a good company?

A. to move C. changing

B. moving D. to change

2. He asked _______ shopping during the previous morning.

A. if we had been going C. we were going

B. that if we had been going D. that we were going

3. Tom ______ breakfast this morning because he didn't have time.

A. didn't have C. did had

B. had D. has

4. Columbus ________ in the New World in 1492.

A. arrive C. had arrived

B. arrived D. will arrive

5.Mr. Tim ________ his first job twenty- five years ago and he is the head of accounting.

A. starts C. has started

B. was starting D. started

1 A

2 C

3 A

4 C

5 A

ờm...tìm lỗi sai è bạn .-.

Choose the best answer: A, B, C or D:

1. Not only .............. tall but he is also fat.

A. is he   B. does he   C. he is   D. he to be

2. After his parents had .........................., he was sent to a local orphanage.

A. drawn up   B. come over   C. stayed up   D. passed away

3. Most students feel ............................... at recess.

A. excitement   B. exciting   C. excite   D. excited

4. ..................... are funnel-shaped storms which pass overland below thunderstorms.

A. Tornadoes   B. Droughts   C. Earthquakes   D. Volcanoes

5. Nga lives in a rural area. ....................., she usually travels to the city at weekends.

A. Therefore   B. And   C. However   D. Although 

6. We wish ws ..................... the next entrance examination.

A. passes   B. will pass   C. would pass   D. passed

7. The girl ............................... you are talking about is my aunt.

A. who   B. which  C. whose   D. whom

8. In 2015, Sydney was determined as the most liveable city in the world after the Economist Intelligence Unit had ............. a survey for living conditions.

A. explained   B. conducted   C. preserved   D. exported

9. Ha Noi is ................. capital city of our country.

A. a   B. an   C. the   D. ϕ

10. What would you like to eat for lunch ?      ⇒ ........................., I don't mind.

A. Nothing   B. Something   C. Every thing   D. Anything

1.I’d rather you………..at my party last night.    

A. be B. were C. had been D. have been

2. …….will Mr Forbes be able to regain control of the company.

A. With hard work B. In spite of his hard work 

C. Only if he works hardly D. Only with of his hard work

3. Barbara didn’t mention…………about her progress report at work, but I’m sure she is.

A. concerning B. to concern C. being concerned D. to be concerned

4. Snow and rain………of nature.

A. are phenomenon B. are phenomena C. is phenomena D. is phenomenon

5. Everyone was going away on holiday this week,………………..?

A. wasn’t it B. wasn’t be C. weren’t they D. wasn’t she

6…………….my key, I wasn’t able to bet into the room.

A. Losing B. I had lost C. I lost D. Having lost

7. It’s no good pretending. You’ve got to…………………..reality.

A. come up to B. face up to C. come up with D. get round to

8.I haven’t …………………………..decided where to go on holiday this year.

A. still B. yet C. already D. then

9. “Why are you angry at Bob?”

- “I don’t  like it when he makes jokes………my expense.”

A. for B. on C. at D. to

10. A car……………many different pars.

A. is made B. is made up of C. is made of D. makes up of

11. According to the………………..of the contract, tenants must give six months’ notice if they intend to leave.

A. laws                       B. rules            C. terms                       D. details

12. The injured man was taken to hospital and ………………..for internal injuries.

A. cured                      B. healed                  C. operated              D. treated

13. You are under no obligation………………..to accept this offer.

A. Indeed                    B. Eventually              C. Apart                D. Whatever

14. A washing machine of this type will certainly………………..up to normal domestic use.

A. hold                      B. stand                        C. come                      D. take

  15. ………………..any other politician would have given way to this sort of pressure years ago.

              A. Really                    B. Practically      C. Actually                D. Utterly.

Choose the best answer for each of the following sentences.
1. In my experiments, the liquid is cooled to 32oF. It always freezes.
A. If you cool the liquid to 32 degrees, it froze.
B. If you cooled the liquid to 32 degrees, it would freeze.
C. If you cool the liquid to 32 degrees, it will freeze.
D. If you had cooled the liquid to 32 degrees, it would have frozen.

2. It may rain this afternoon. I hope it doesn't because I don't want the match to be cancelled.
A. If it rains, the match is cancelled.
B. If it rains, the match will be cancelled.
C. If it rained, the match would be cancelled.
D. If it had rained, the match would have been cancelled.

3. Unfortunately, I don't know Philosophy, so I can't answer your question.
A. If I know Philosophy, I can answer your question.
B. If I know Philosophy, I will be able to answer your question.
C. If I knew Philosophy, I would be able to answer your question.
D. If I had known Philosophy, I would have been able to answer your question.

4. ______ there are some more ideas, we can end the meeting now.
A. If
B. As if
C. Unless
D. In case

5. If he ______ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy
B. was / will enjoy
C. has been / would enjoy
D. were / could enjoy

6. If they had searched more carefully, they _____ the watch sooner.
A. will find
B. would find
C. found
D. would have found

7. If I had got up early, I _______ to have breakfast now.
A. have
B. had
C. would have
D. would have had

8. I cannot buy a new computer ____ I save enough money.
A. if
B. even if
C. unless
D. as if

9. Most people you meet will be polite to you ______ .
A. if you are polite to them
B. if you will be polite to them
C. unless you are polite to them
D. if you were polite to them

10. If you do so, it _____ the matter worse.
A. makes only
B. would only make
C. will only make
D. had only made

11. You ______ English fluently unless you practice it every day.
A. will speak
B. will not speak
C. can speak
D. did not speak

12. Hurry up ______ you will miss the bus and be late for school.
A. if
B. and
C. or
D. as

13. You will get a good seat if you ______ first.
A. come
B. came
C. have come
D. will come

14. Sam will not graduate _______ .
A. if he passed all the tests
B. if he does not pass all the tests
C. unless he passes all the tests
D. unless he had passed all the tests