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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
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 option (A, B, C or D) to complete each of the following sentences.
1. The ........ of natural resources is being talked about by Peter's teacher.
A. preserve B. preservation C. preserver D. preservatory
2. If he had got up early yesterday morning, he ......... the bus.
A. missed B. won't miss C. wouldn't miss D. wouldn't have missed
3. Nobody wants to be the first to make sacrifice, ..........?
A. does she or he B. does anybody C. do we D. do they
4. He always ......... the crossword in the newpaper before breakfast.
A. writes B. makes C. does D. works
5. By the end of this year my father .......... in this company for 12 years.
A. have been working B. will work C. will have been working D. will be working
6. You will have to ........... your holiday if you are too ill to travel.
A. put off B. put out C. put down D. put up
7. For the last few months, the south-central coastal province .......... significantly less precipitation and prolonged drought.
A. have experienced B. experiene C. are experiencing D. have been experienced
8. There was a terrible accident last night. When I arrived at the scene, ........ ijured had been taken away.
A. an B. the C. a D. some
9. ................. I'd like to help you out, I'm afraid I just haven't got any spare money at the moment.
A. Much as B. Try as C. However D. Despite
10. She insisted that the reporter ................ her as his source of information.
A. didn't mention B. doesn't mention C. hadn't mentioned D. not mention
1. I _______this film twice.
A. see B. saw C. will see D. have seen
2. –Peter, please help me do the washing up. – Sorry, Mum. I ____TV.
A. watch B. am watching C. had watched D. watched
3. The farmers _____ in the field now.
A. were working B. have worked C. worked D. are working
4. The war _____ out three years ago.
A. broke B. had broken C. has broken D. was breaking
5. He ______ a cup of coffee every morning.
A. drinks B. drank C. is drinking D. has drunk
6. She ______ a lot of new books.
A. had just bought B. has just bought C. buys D. bought
7. Up to the present, Nam_____ good work in his class.
A. does B. has done C. had done D. did
8. At present, that author ______ a historical novel.
A. is writing B. was writing C. has written D. had written
9. By next month, I _____ my first novel.
A. will finish B. am going to finish C. finish D. will have finished
10. Phong ______ at the university so far.
A. had worked B. was working C. worked D. has worked
11. How long _____ able to drive? – since 1990.
A. could you B. have you been C. were you D. are you
12. They ______ since eight o’clock.
A. are talking B. have been talking C. talked D. talk
13. My brother _______ in the army from 1990 to 1995.
A. served B. has served C. had served D. is serving
14. At this moment, I _____ that we have a good chance of victory.
A. was feeling B. am feeling C. feel D. had been feeling
15. I _____ the money from him yet.
A. haven’t received B. don’t receive
C. will receive D. am receiving
16. This is the most interesting book _____ .
A. I’ve read B. I had read C. I’ve ever readed D. I’ve ever read
17. I ____ him ten days ago.
A. see B. saw C. have seen D. will see
18. It ______ a long time since I last saw him.
A. is B. was C. will be D. had been
19. She _____ so hard this week that she doesn’t have time to go to the hairdresser’s.
A. works B. worked C. has been working D. had worked
20. Mr. John_______ to Los Angeles in 1992.
A. had gone B. has gone C. went D. was going
21. What ______ to you yesterday?
A. happened B. did happen C. had happened D. has happened
22. I never go to Australia. I _____ to Australia yet.
A. will go B. went C. haven’t been D. have been
23. What _____ do at 7:00 tomorrow morning.
A. will you B. shall you C. were you D. did you
24. Why ______ you come yesterday?
A. couldn’t B. can’t C. didn’t D. A and C
25. My mother ______ in this factory since 1990
A. works B. worked C. has worked D. had worked
26. I _____ my hair before breakfast this morning.
A. washed B. had washed C. was washing D. have washed
27. I _____ about him when he suddenly came in.
A. talk B. talked C. am talking D. was talking
28. He will finish this work before you _______ here tomorrow.
A. leave B. will leave C. would leave D. are going to leave
29. Don’t make noise. My mother ______ with her friends.
A. is talking B. was talking C. talks D. talked
30. He _____ in this office for ten years by next Monday.
A. will have been working
B. would be working C. will work D. will be working
31. No sooner _____ the office than the telephone rang.
A. was he leaving B. he was leaving C. he had left D. had he left
32. George______ this movie three times.
A. sees B. has seen C. saw D. had seen
33. Food, air and clothes _______ necessary for life.
A. was B. were C. is D. are
34. He ______ a visit to Halong Bay in 1995.
A. had paid B. paid C. has paid D. pays
35. This morning while I ______ for the bus, the rain stopped.
A. waited B. have waited C. had waited D. was waiting
36. What _____ during the last few weeks.
A. did you do B. had you been doing
C. have you been doing D. were you doing
37. Up to now, the teacher _______ our class five tests.
A. gives B. is giving C. has given D. had given
38. The students _____ English now.
A. study B. are studying C. will study D. have studied
39. I don’t feel good. I _____ work tomorrow.
A. won’t be going B. won’t go to C. don’t go D. went
40. He is tired because he ____ all day.
A. had worked B. has worked C. worked D. works
41. _____ at home tonight?
A. are you staying B. do you stay
C. were you staying D. did you stay
42. We _____ in this house for ten years.
A. are living B. were living C. had lived D. have lived
43. She ____ in the departure lounge for a long time.
A. is waiting B. was waiting C. waits D. has waited
44. I ______ my driving test on Friday.
A. have passed B. had passed C. passed D. was passing
45. I ______ a vegetarian since 1998.
A. am B. was C. have been D. had been
1) choose the best answer :
1. the teacher asked tom ..................
a. if had he any hobbies b. that he had any hobbies c. had he got any hobbies d. if he had any hobbies
2. they said that the problem .........................soon
a. will be solved b. had solved c. is being solved d. would be solved
3. the teacher asked her why she ..............the test
a. didn't do b. hasn't done c. doesn't do d. won't do
4. our teacher said that we .........an english test the following week
a. will have b. would have c. have had d. had
5. " when will the final exam be taken ? " - bill wanted to know........................
a. when will the final exam be taken b. when the final exam will be taken
c. when would the final exam be taken d. when the fianl exam would be taken
6. " are you planning to enter law school ? " - i asked Martha......................
a. whether she is planning to enter law school b. if she was planning to enter law school
c. is she planning to enter law school d. was she planning to enter law school
7. if you learn this lesson carefully , you .............the exam
a. can pass b. passing c. passed d. would pass
8. he told me.......................
a. to think well before i answer b. to think well before i will answer
c. think well before i answered d. to think well before i answered