Unless you understand, I ............. explain it again to you.
A. will
B. was
C. am
D. would
rade 9
Conditional
Choose the best answer
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 hav
e
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.
_____
i
f 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 wo
uld 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. un
less
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 revis
ing.
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 32
ºF. 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
canceled.
A. If
it rains, the match is canceled.
B. If it rains, the match will be canceled.
C. if it rained, the match would be canceled.
D. If it had rained, the match would have been canceled.
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 co
mputer _____ 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.
Mary
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
San
dra
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 n
ot 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. woul
d happen / were
D. would happen / had been
40
.
Linda
will not go to the party unless
her sister
..................
.too.
a. go
b. went
c. going
d. goes
bài 1 :
1/ What can you do in your school .......... pollution. (minimize)
2/ If you don't understand the lesson, I ........... it again to you. (explain)
3/ What about ............ used paper, bottles and cans every day ? (collect)
4/ The best way to reduce garbage is ............. and recycle things. (reuse)
5/ We must learn about keeping the environment .............. (pollute)
6/ The inhabitants have made ........... on how to protect the environment. (suggest)
7/ It is ............... that our environment is more and more polluted. (disappoint)
8/ The drivers have left lots of garbage on the ground after their ............. . (refresh)
9/ A complaint letter should be ended ............... . (polite)
10/ Some volunteer ........... help to clear up the beach. (conserve)
bài 2 :
1/ The river is too dirty for us to swim in.
Since .........................................................
2/ Why don't we go to the countryside this weekend.
I suggest .....................................................................
3/ Hard work leads to success.
If ....................................................
4/ Let's use public buses instead of motorbikes
How ...................................................................
1. I wish you ……………………us someday.
A. visit B. will visit C. visited D. would visit
2. I ……………………here since last January.
A. am working B. have been working C. had been working D. was working
3. I ……………………in heavy traffic everyday.
A. used to drive B. am used to driving C. get used to drive D. used to driving
4. I wish you ……………………me with my work.
A. help B. will help C. helped D. would help
5. Our lives ……………………since the Internet was invented.
A. improve B. improved C. has improved D. are improving
6. If your sister wants to get a driving license, she …………………….
A. must learn to drive B. ought to have a car C. might learn to drive D. should study hard
7. You ……………………more exercise if you ……………………to keep fit.
A. can make / want B. ought to do / wanted C. should take / want D. might do / want
8. If I could speak Spanish, I ……………………next year studying in Mexico.
A. would spend B. would have spend C. had spent D. will spend
9. Yesterday we went shopping and then ……………………a movie at the cinema.
A. watched B. have watched C. watch D. watching
10. The Titanic ……………………the Atlantic when it ……………………an iceberg.
A. was crossing / struck B. had crossed / was striking
C. crossed / had struck D. is crossing / strikes
11. Tony didn’t study hard for the test. His answers ……………………from someone else.
A. should have copied B. must have been copied
C. can have copied D. would have copied
12. What are you going to do next year? – I wish I ……………………the answer to that question.
A. know B. would know C. knew D. could know
13. Sam ……………………to change a light bulb when he ……………………and…………………….
A. was trying / slipped / fell B. tried / was slipping / falling
C. had been trying / slipped / was falling D. has tried / slips / falls
14. She said she was working late that evening and ……………………have time go to the concert with me.
A. does B. doesn’t C. did D. didn’t
15. When was the car stolen? – It ……………………happened this morning because I saw it parked in the
street last night.”
A. shouldn’t have B. had to have C. may have D. had
1. I don't understand this point of grammar. I wish I ______ it better.
A. understood B. would understand C. had understood D. understands
2. If you ___ time, please write to me.
A. have had B. had C. have D. has
3. It never stops raining here. I wish it ______ raining.
A. stopped B. would stop C. had stopped D. will stop
4. If we took the 10:30 train, ________ .
A. we may arrive too early B. we should arrive too early
C. we will arrive too early D. we would arrive too early
5. I miss my friends. I wish my friends ______ here right now.
A. had been B. would be C. were D. was
6.If that hat costs much , I _______ a small one .
A . will buy B. would have bought C. bought D. would buy.
7. I should never have said that. I wish I ______ that.
A. didn't say B. wouldn't say C. hadn't said D. says
8.What ______ we do if they don’t come tomorrow?
A. would B. had C. did D. will
9. I speak terrible English. I wish I ______ English well.
A. spoke B. would speak C. had spoken D. speaks
10. If I had known your new address, we ___to see you.
A. came B. will come C. would come D. would have come
11. It’s very crowded here. I wish there ___ so many people.
A. aren’t B. weren’t C. haven’t been D. isn’t
12. I wouldn’t go there at night if I ___ you.
A. am B. was C. were D. had been
13. “My car broke down when I was leaving Detroit and I had to take the bus.”
“________, we would have picked you up.”
A. If we have known B. If we have known C. We had known D. If we did know
14. “Would you mind if we _______you by your first name?”
“Not at all. Please call me Tom.”
A. called B. call C. calling D. want to call
15. What would you do if you ______ a lot of free time?
A. have B. had C. had had D. would have
16. John wishes he ________ a scientist when he grows up.
A. is B. was C. will be D. would be
17. This exercise is very boring. I wish the teacher ______ us some more interesting things to do.
A. gave B. would give C. had given D. will give
18. I wish that some day I ________ able to marry her.
A. will be B. am C. would be D. had been
19. Trees won’t grow ______ there is enough water.
A. if B. when C. as D. unless
20. Unless she ______to see me, I will go alone.
A. come B. comes C. doesn’t come D. cameg
50. Henry ________ a rich man if he had been more careful in the past.
A. would have been B. will be C. would be D. was
51. If I ________ you, I wouldn’t buy that coat.
A. am B. was C. were D. would be
52. If she have a lot of money, she will buy a new car.
A B C D
53. I’m not a doctor. If I _______a doctor, I ____________help the sick.
a. am/ will b. was/ will c. were/ would d. were/ will
54. Unless you ______quiet, I would scream.
a. didn’t keep b. kept c. will keep d. would keep
55. What would Tom do if he ___________ the truth?
a. would know b. has know c. knows d. knew
56. If he ________to the party yesterday, he would have met his old friend.a. go b. went c. gone d. had gone
57. Unfortunately, I didn't have address. If I _________ it, I would have sent you a postcard.
A. had B. have had C. had had D. have
58. If I could speak Spanish, I ___________ next year studying in London.
A. would spend B. will spend C. had spent D. would have spent
59. If I hadn’t drunk so much coffee, __________ better.
A. I slept B. I’ll sleep C. I’d have slept D. I sleep
60. What would happen if the temperature is warmer?
A B C D
61. I wouldn’t have read your diary if you didn’t hide it in such an obvious place.
A B C D
62. If I see him, I (give) _________________ him a gift.
1. If I go shopping, I ………some food. a. buy b. will buy c. would buy d. would have bought.
2. If I find it, I ………you. a. will tell b. would tell c. had told d. told.
3. What would you do if you……………a million dollars?
a. would win b. win c. had won d. won.
4. They ‘d be hurt if I ……………….
a. don’t go b. didn’t go c. hadn’t gone d. wouldn’t go.
5. If we took the 6: 30 train, we…………too early.
a. would have arrived b. arrived c. will arrived d. would arrive.
6. You won’t pass the examination……………you study more.
a. as long as b. unless c. if d. whether.
7. If I were to leave my country , I ……………disappointed.
a. probably be b. would have been c. will be d. would be.
8. If I were in your place, I ……….a trip to England. a. will make b. had made c. made. d. would make.
9. If I ………….. you , I’d save some of your lottery winning. a. be b. were c. am d. was
10. If I had enough money, I ……… abroad to improve my English.
a. will go b. should go c. would go d. should have go to
11. If it …….. convenient, let’s go out for a drink tonight. a. be b. was c. were d. is
12. If you ……. time, please write to me. a. have b. have had c. had d. has
13. If you had the chance, ………… you go finishing? a. did b. would c. may d. do
14. Trees won’t grow ……….. there is enough water. a. if b. when c. unless d. as
1. Had you told me that this was going to happen, I _______ it.
A. would never have believed B. don’t believe C. hadn’t believedD. can’t believe
2. Put all the toys away……….. someone slips and falls on them. A. provided that B. unless C. in case D. so long as
3. Many argue that the world will never make the switch to cleaner forms of energy………… easily obtainable soil sources remain.A. suppose that B. providing that C. unless D.as long as
4. ……….you to be offered that job, would you have to move to another city? A. should B. Were C. had D. Provided that
5. You will find their house ____ you take a good street map with you. A. as long as B. even if C. if only D. otherwise:
6. You’d better stop spending money, ___ you will end up in debt. A. unless B. otherwise C. if D. in case
7. Henry__________ a rich man today if he had been more careful in the past.
A. will have been B. will be C. would have been D. would be
8._________ you visit him, give him my best wishes. A. Could B. Would C. Should D. Might
9. Were she ten years younger, she ______________ the beauty contest.
A. will enter B. had entered C. would enter D. would have entered
10. If it………..their encouragement, he could have given it up.
A. had been for B. hadn’t been C. hadn’t been for D. wouldn’t have been for
11. ____ any employee be ill, they must call the office to inform their head of departure. A. Were B. Should C. Had D. If
12. If Lucy’s car ____ down, she would be here right now. A. didn’t break B. hadn’t broken C. wouldn’t have been D. doesn’t break
13. Harry would certainly have attended the proceedings _________ .
A. if he didn’t get a flat tyre B. had he not had a flat tyre C. had the tyre not flattened itself D. if the flat tyre didn’t happen
14. 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
15. I………you sooner had someone told me you were in the hospital. A-would have visited B-visited C-had visited D-visit
16. ………then what I know today,I would have saved myself a lot of time and trouble over the years.
A-had I known B-did I know C-If I know D- If I would know
17. If someone ……in to the store,smile and say, “May I help you?” A-comes B-came C-would come D-could come
18. Trees won’t grow ……….. there is enough water.A. if B. when C. unless D. as
Exercise 3 choose the best answer
1. But for two minor mistakes, I would have got full marks for the test.
A. If I didn’t make two minor mistakes, I would have got full marks for the test.
B. I would have got full marks for the test if there hadn’t been these two minor mistakes
C. Had I made two minor mistakes, I would have got full marks for the test.
D. If the mistakes hadn’t been minor, I could have got full marks for the test.
2. Get in touch with me as soon as possible if you change your mind about the trip.
A. Should you change your mind about the trip, contact me as soon as possible
B. If you changed your mind about the trip, get in touch with me as soon as possible.
C. You should call me whenever you changed your mind about the trip.
D. Having changed your mind about the trip, you should get in touch with me soon
3. If it hadn’t been for the goalkeeper, United would have lost.
A. United didn’t lose the game thanks to their goalkeeper. B. United lost the match because of their goalkeeper.
C. Without their goalkeeper, United could have wonD. If their goalkeeper didn’t play so well, United would have lost.
4. Without his help, we would all die.
A. We died because he didn’t help us. B. He didn’t help us, so we died.
C. If it hadn’t been for his help, we would all have died D. If he had helped us, we wouldn’t have died.
5. Had the announcement been made earlier, more people would have attended the lecture.
A. Not many people came to hear the lecture because it was held too late,
B. The lecture was held earlier so that more people would attend
C. Fewer people attended the lecture because of the early announcement.
D. Since the announcement was not made earlier, fewer people came to hear the lecture.
6. But for Helen acting so wonderfully, the play would be a flop
A. Helen acted so wonderfully, but the play was a flop. B. If it wasn’t for Helen’s wonderful acting, the play would be a flop
C. The play was a flop although Helen acted so wonderfully. D. The play was a flop although Helen was such a wonderful actor.
7. Provided your handwriting is legible, the examiner will accept your answer.
A. Although the examiner cannot read your handwriting, he will accept your answer,
B. Whatever your handwriting, the examiner will accept your answer.
C. The examiner will accept your answer if your handwriting is beautiful
D. So long as the examiner can read your handwriting, he will accept your answer.
8. But for his father’s early retirement, Richard would not have taken over the family business.
A. Richard only took over the family business because his father decided to retire early.
B. Richard didn’t take over the family business because his father didn’t retire early
C. His father retired early but he still ran the family business
D. Richard’s father didn’t want him to take over the family business despite his retirement
9. Were it not for the money, the job wouldn’t be worthwhile
A. This job is not rewarding at all B. This job offers a poor salary
C. Although the salary is poor, the job is worthwhile
D. The only thing that makes this job worthwhile is the money.
10. You can stay in the flat for free if you pay the bills.
A. Provided you pay the bills, you can stay in the flat for free. B. Without the bills paid, you can stay in the free flat.
C. Unless the flat is free of bills, you cannot stay in it. D. Whether you pay the bills or stay in the flat, it is free.
11: She is now leading a normal life as a result of all the support she received from social workers.
A. Had it not been for the social workers, she wouldn’t be leading such a normal life now.
B.Because she receives all the support from social workers, she is leading a normal life now
C. If she didn’t receive all the support from social workers, she wouldn’t be leading a normal life now.
D. Had she not received so much support from social workers, she wouldn’t be leading such a normal life now.
12.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.
Choose the most suitable response to complete the following exchange.
17 Maria: "It was very kind of you to help me out, John." John: “__________”
A. You can say that again. B. I'm glad you like it.
C. That was the least I could do. D. Thanks a million.
18 "Would you like to see a movie this evening?" Frank: "__________"
A. I'm sorry. I don't know that. B. Not at all. Go ahead.
C. Not so bad. And you? D. That would be nice.