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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
If you can give me one good reason for your acting like this, ______ this incident again.
A,I never mention
B,I don’t mention
C,I will never mention
D,will I never mention
Câu 12 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I would plant more trees to help the environment if I _____ you.
A,been
B,were
C,am
D,are
Câu 13 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The fish are dead _______ the water pollution.
A,because
B,due to
C,since
D,thanks to
Câu 14 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
What ( happen)____ if there ( be)____ no cars in the world ?
A,could happen - are
B,happens - are
C,would happen - were
D,will happen – is
Câu 15 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Uncut weeds or badly cared –for buildings could prevent you _____ enjoying the beautiful sights of the city.
A,from
B,of
C,in
D,for
Câu 16 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Scientists have come up _____________ new ways of saving energy.
A,over
B,with
C,on
D,out
Câu 17 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Here are the letters _______ arrived this morning.
A,when
B,whom
C,who
D,which
Câu 18 Find the mistake among the underlined words/phrases in the sentence.
There are asthma, allergies and other respiratory illness when air pollution happens.
A,pollution
B,are
C,happens
D,illness
Câu 19 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Light pollution makes us _____________ to see the stars in the sky. (able)
A,enable
B,capable
C,unable
D,disable
Câu 20 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Plastic bags take so long to decompose, _______nearly all of them still exist in the environment today.
A,so
B,although
C,because
D,but
Câu 11 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
If you can give me one good reason for your acting like this, ______ this incident again.
A,I never mention
B,I don’t mention
C,I will never mention
D,will I never mention
Câu 12 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I would plant more trees to help the environment if I _____ you.
A,been
B,were
C,am
D,are
Câu 13 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The fish are dead _______ the water pollution.
A,because
B,due to
C,since
D,thanks to
Câu 14 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
What ( happen)____ if there ( be)____ no cars in the world ?
A,could happen - are
B,happens - are
C,would happen - were
D,will happen – is
Câu 15 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Uncut weeds or badly cared –for buildings could prevent you _____ enjoying the beautiful sights of the city.
A,from
B,of
C,in
D,for
Câu 16 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Scientists have come up _____________ new ways of saving energy.
A,over
B,with
C,on
D,out
Câu 17 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Here are the letters _______ arrived this morning.
A,when
B,whom
C,who
D,which
Câu 18 Find the mistake among the underlined words/phrases in the sentence.
There are asthma, allergies and other respiratory illness when air pollution happens.
A,pollution
B,are
C,happens
D,illness
Câu 19 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Light pollution makes us _____________ to see the stars in the sky. (able)
A,enable
B,capable
C,unable
D,disable
Câu 20 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Plastic bags take so long to decompose, _______nearly all of them still exist in the environment today.
A,so
B,although
C,because
D,but
III. Choose the best answer A, B, C or D.
1. If I the same problem you had as a child, I might not have succeed in life as well as you have.
A. have B. would have C. had had D. should have
2. I you sooner had someone told me you were in the hospital.
A. would have visited B. visited C. had visited D. visit
3. more help, I would call my neighbor.
A. Needed B. Should I need C. I have needed D. I should need
4. then what I know yesterday, 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
5. Do you think there would be less conflict in the world if all people the same language?
A. spoke B. speak C. had spoken D. will speak
6. If you can give me one good reason for your acting like this, this incident again.
A. I will never mention B. I never mention
C. will I never mention D. I don’t mention
7. If I had known you were asleep, I so much noise when I came in.
A. didn’t make B. wouldn’t have made
C. won’t make D. don’t make
8. Unless you all of my questions, I can’t do anything to help you.
A. answered B. answer C. would answer D. are answering
9. Had you told me that this was going to happen, I it.
A. would have never believed B. don’t believe
C. hadn’t believed D. can’t believe
10. If Jake to go on the trip, would you have gone?
A. doesn’t agree B. didn’t agree C. hadn’t agreed D. wouldn’t agree
11. Jane: “John went to the hospital alone”,
Katy: “If , I would have gone with him”.
A. had he told me B. he had told me
C. he has told me D. he would tell me
12. If you , I would have brought my friends over to your house yesterday to watch T.V, but I didn’t want to bother you.
A. had studied B. studied C. hadn’t studied D. didn’t study
13. Peter: “Did you need help with your Math last night?”
Mary: “If I had needed, I you".
A. would call B. called C. would have called D. will call
14. If someone into the store, smile and say, “May I help you?”
A. comes B. came C. come D. should come
15. “Here’s my phone number”.
“Thanks. I’ll give you a call if I some help tomorrow”
A. will need B. need C. would need D. needed
16. If I didn’t work for an accounting firm, I in a bank now.
A. work B. will work C. have worked D. would work
17. The death rate would decrease if hygienic conditions improved.
A. was B. is C. were D. had been
18. The education in Japan if the basic principles of education had not been taken into consideration.
A. would go down B. would have gone down
C. went down D. had gone down
19. If there , the rice fields could have been more productive.
A. had been enough water B. were enough water
C. would be enough water D. are enough water
20. The patient will not recover unless he an operation.
A. had undergone B. would undergo
C. undergoes D. was undergoing
21. If she him, she would be very happy.
A. would meet B. will meet C. met D. should meet
22. If he a thorough knowledge of English, he could have applied for this post.
A. had had B. had C. has D. has had
23. If I had enough money, I abroad to improve my English.
A. will go B. would go C. went D. should have go to
24. The bench would collapse if they on it.
A. stood B. stand C. standing D. stands
25. If it convenient, let’s go out for a drink tonight.
A. be B. is C. was D. were
4. If I ____ him yesterday, I would have to come back tomorrow
A. didn’t meet B. have met C. met D. hadn’t met
5. If she ____ the truth, I think she’d never want to see you again
A. would know B. knows C. will know D. knew
6. I would never have believed ____ it with my own eyes
A. if I didn’t see B. if I hadn’t seen
C. if I haven’t seen D. if I wouldn’t have seen
7. Kevin never seems to get tired. I wish I _____ his energy
A. can have B. have had C. had D. would have
8. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
9. She would give them all that money now if we _____ her before.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
10. If I ________ an Angel, I __________to make all the children happy.
A. am/ will try B. have been/ would try
C. were/would try D. had been/would have tried
11. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
12. The car ________ if somebody takes it there.
A. will be repaired B. would be repaired
C. will been repaired D. is repair
13. You ______ to prison if you did that.
A. would be sent B. would have been sent
C. would be sent D. were sent
Gạch chân dưới đáp án đúng:
1. If that hat costs much, I (would have bought / will buy / bought / would buy) a small one.
2. If you (drive / drove / had driven / driven) more carefully, you wouldn't have had so many accidents.
3. If I (make / makes / made / had made) this mistake again, my teacher will get angry with me.
4. If I spoke English, my job (was / were / will be / would be) a lot easier.
5. If he (goes / went / had gone / would go) to London yesterday, he (met / would meet / had met / would have met) his old friend.
6. I will lend them some money if they (ask / will ask / asked / had asked) me.
7. If we had known who he was, we (would have invited / have invited / will invite / would invite) him to speak at our meeting.
8. My dog will bark if it (hear / hears / heard / had heard) any strange sound.
9. If I (had / had had / will have / have) enough money, I would buy a house.
10. They (won't let / not let / wouldn't let / hadn't let) you in if you came late.
11. If you (not go / don't go / hadn't gone / didn't go) away, I'll send for a policeman.
12. If I (were / am / be / was) in your place, I would accept Mr.Anderson's invitation.
13. If I (win / had won / won / winning) a big prize in a lottery, I'd give up my job.
14. If I (is / are / was / were) you, I (will tell / told / would tell / would have told) the truth.
15. I was busy. If I (have / had / had had / have had) free time. I (would go / will go / would have gone / go) to the cinema with you.
16. Why didn't you attend the meeting?
Oh, I did not know. If I (know / knew / had known / known) I (would come / would have come / will come / had come) there.
17. What (would / will / did / had) we do if they do not come tomorrow?
18. If I had enough time now, I (would write / write / will write / wrote) to my parents.
19. It's too bad Helen isn't here. If she (is / was / were / are) here, she (will know/ knows / would know / would have known) what to do.
20. If I don't eat breakfast tomorrow morning, I (will get / got / would get / had got) hungry during class.
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