I put my keys on the table, but now it's gone. Someone_____ have taken it.
A. may
B. had to
C. should
D. would rather
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Đáp án là D.
may have done : có lẽ đã - diễn tả một khả năng có thể ở quá khứ, song người nói không dám chắc. “ Tôi đã để chìa khóa trên bàn, nhưng giờ không thấy nữa. Có lẽ ai đó đã lấy đi.
1: when my farther was young , he ….... work in the garden for long hours
A: can B: could C: will D: should
2: He ........ have comminitted the crime because he was with me that day
A: must B: shouldn't C: won't D: couldn't
5: Since we have to there by 8.30 , we ........ take a taxi
A: Had better B: May C: ought. D : are able to
6: It ...... rain this evening . Why don't you take an umbrelly ?
A: could be B: must C: might. D : will
7: ....... you help me with the homework ?
A: may. B: shall. C: should. D: will
8: she hasn't eaten anything since yesterday. She..... be really hungry
A: might. B: will. C: must. D : can
9: I put my keys on the table, but now it's gone. Someone.....have taken it
A: may. B: had to. C: should. D: would rather
10: Daisy is reading her English test because she has a test tomorrow. She .....be studying
A: will. B: should. C: must. D: can
11: We ....... put the fish in the fridge before it spoils
A: had to B: may. C: can. D: had better
1: when my farther was young , he ….... work in the garden for long hours
A: can B: could C: will D: should
2: He ........ have comminitted the crime because he was with me that day
A: must B: shouldn't C: won't D: couldn't
5: Since we have to there by 8.30 , we ........ take a taxi
A: Had better B: May C: ought. D : are able to
6: It ...... rain this evening . Why don't you take an umbrelly ?
A: could be B: must C: might. D : will
7: ....... you help me with the homework ?
A: may. B: shall. C: should. D: will
8: she hasn't eaten anything since yesterday. She..... be really hungry
A: might. B: will. C: must. D : can
9: I put my keys on the table, but now it's gone. Someone.....have taken it
A: may. B: had to. C: should. D: would rather
10: Daisy is reading her English test because she has a test tomorrow. She .....be studying
A: will. B: should. C: must. D: can
11: We ....... put the fish in the fridge before it spoils
A: had to B: may. C: can. D: had better
Trắc nghiệm câu điều kiện từ 21 - 30
21-If she …..him,she would be very happy.
A-would meet B-will meet C-is meeting 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-should go 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
26-If you……time, please write to me.
A-have B-had C-have had D-has
27-I shouldn’t go there at night if I ….you.
A-am B-was C-be D-were
28-If I …….get a pole, I will go fishing.
A-can B-could C-may D-might
29-If you had the chance,…….you go fishing?
A-did B-may C-would D-do
30-If you …..a choice, which country would you visit?
A-have B-had C-have had D-will have
Trắc nghiệm câu điều kiện từ 31-40
31-She will acept the offer if you persuade her.
A-unless B-because C-provided that D-otherwise
32-If he were here,he would accompany you on the piano.
A-Supposing he were here B-because he were here C-were he here D-Both A and C
33-If she had gone abroad, she would have let you know.
A-had gone she abroad B-had she gone abroad
C-Because she had gone abroad D-while she had gone abroad
34-Trees won’t grow…….there is enough water.
A-if B-when C-unless D-as
35-……….she agreed, you would have done it.
A-if B-had C-should D-would
36-If he hadn’t wasted too much time , he ……in his examination.
A-would fail B-wouldn’t fail C-wouldn’t have failed D-won’t fail
37-If I had taken that English course, I…….much progress.
A-had made B-would have made C-made D-would make
38-If I were in your place, I….a trip to England.
A-will make B-had made C-would make D-made
39-If you inherited a million pounds,what…….with the money?
A-do you do B-will you do C-would you do D-are you going to do
40-If you……..as I told you, you…….in such predicament now.
A-Did/would not be B-had done/had not been
C-do/would not be D-had done /would not be
Trắc nghiệm câu điều kiện từ 41-50
41-Come and work for my company iif you…….better to do.
A-have nothing B-will have nothing C-had something D-had nothing
42-If you had done as I told you ,I think you……….
A-would succeed B-would have succeeded C-could succed D-had succeeded
43-If he had got half a mark more, he ……in the exam.
A-wouldn’t fail B-wouldn’t have failed C-won’t fail D-won’t be failing
44-If it……… tomorrow, we may postpone going.
A-rains B-will rain C-shall rain D-raining
45-If you hadn’t watched that late movie last night, you……sleepy now.
A-wouldn’t have been B-wouldn’t be
C-might have not been D-would’t have been being
46 - If you …….as I told you, you ……….sorry now.
A-did/would not be B-had done/had not been
C-do /would not be D-had done/would not be
47-If I………I will let you know .
A-am staying B-will stay C-do stay D-would stay
48-“Are you thinking about going to the Bahamas for the hollidays?”
“No,but if I ……the time , I would definitely go”
A-have B-had C-have had D-would have
49-“It’s really raining”
“Yes.If the weather……, we’ll have to camp somewhere else”.
A-would get worse B-might get worse C-get worse D-should get worse
50-“Why did you only send twenty dollats in the mail?”
“If I had had more money, I ……..given you more.”
A-will have B-would have C-would D-have
Trắc nghiệm câu điều kiện từ 51-60
51-“My boss made me work overtime again”.
“If I were you,I……….my job”.
A-would quit B-will quit C-must quit D-quit
52-“Thanks for your help”.
“…….want more information,call again tomorrow”.
A-were you B-had you to C-might you D- should you
53-“Remember the day I drove you to the airport?”.
“If you hadn’t ……me ,I would have been late”.
A-take B-taking C-took D-taken
54-“Sally finally got here from Chicago”.
“If she had come earlier,we……taken her to the play”.
A-would be B-would have C-had have D-would had
55-“I don’t know whether to take that mathematics course or not”.
“If ………you, I’d take it”.
A-I am B-I will be C-I had been you D-I were
56-“My car broke down when I was leaving Detroit and I had to take the bus”.
“………,we would have picked you up”.
A-had we known B-if we have known C-we had known D-if we did know
57-“It’s beginning to rain”.
“……..,we won’t be able to finish the ball game”.
A-If it stops B-should it stop C-unlees it stops D-if it didn’t stop
58-“Did you need help with your math last night?”.
“If I had, I………you”.
A-would call B-called C-would have called D-will call
59-“I’d really like some lunch but I have so much work to do”.
“……..what you want and I can get it for you”.
A-tell me B-if you would say me C-you will tell to me D-if you tell me
60-“John went to the hospital alone”,
“If …….,Iwould have gone with him”.
A-had he told me B-he had told me C-ha has told me D-he would tell me
1. This plane could get over the mountain if it rose to 10000 feet . This means it ........... over the mountain
a: would succeed in getting b. got c. was able to get d. had got
2: The plane was then able to rise . This means it ........
a. could rise b. might rise c. might succeed in rising d. rose
3. Byrd knew that he would be able to reach the South Pole . It would be ...........
a. impossible b. necessary c. able d. possible
4. He ought not .... him but he did
a. to tell b. to telling c. tell d. to have told
5. I'd rather you .......... that
a.do b. don't do c. won't do d. didn't
6. ............... run so fast ? a. dose he need b. need he to c. need he d. needs he
7. He didn't need ........... out of his room in Moscow .
a. go b. to going c. going d. to go
8.I could not ... it even thought i had wanted to do so
a. had bought b. buy c. buying d. have bought
9. I left my pen this box , but it isn't there now . Someone ....... it
a. must have taken b. must take c. had to take d. had taken
10. Marry received 100 dolars from her sister . she.......... the ring she she wanted . It only cocts 10 dollars
a. buys b. had bought c. bought d. might have bought
11. It lost my honda last week . I hadn't locked it . You ....... it
a. should lock b. should have locked c. ought to lock d. could lock
12. In 1900 the word had no deaths from rabies . Scientists ........ wonderful vaccine .
a. has discovered b. discovered c. must have discovered d. should have discover
21-If she …..him,she would be very happy.
A-would meet B-will meet C-is meeting 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-should go 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
26-If you……time, please write to me.
A-have B-had C-have had D-has
27-I shouldn’t go there at night if I ….you.
A-am B-was C-be D-were
28-If I …….get a pole, I will go fishing.
A-can B-could C-may D-might
29-If you had the chance,…….you go fishing?
A-did B-may C-would D-do
30-If you …..a choice, which country would you visit?
A-have B-had C-have had D-will have
Trắc nghiệm câu điều kiện từ 31-40
31-She will acept the offer if you persuade her.
A-unless B-because C-provided that D-otherwise
32-If he were here,he would accompany you on the piano.
A-Supposing he were here B-because he were here C-were he here D-Both Aand C
33-If she had gone abroad, she would have let you know.
A-had gone she abroad B-had she gone abroad
C-Because she had gone abroad D-while she had gone abroad
34-Trees won’t grow…….there is enough water.
A-if B-when C-unless D-as
35-……….she agreed, you would have done it.
A-if B-had C-should D-would
36-If he hadn’t wasted too much time , he ……in his examination.
A-would fail B-wouldn’t fail C-wouldn’t have failed D-won’t fail
37-If I had taken that English course, I…….much progress.
A-had made B-would have made C-made D-would make
38-If I were in your place, I….a trip to England.
A-will make B-had made C-would make D-made
39-If you inherited a million pounds,what…….with the money?
A-do you do B-will you do C-would you do D-are you going to do
40-If you……..as I told you, you…….in such predicament now.
A-Did/would not be B-had done/had not been
C-do/would not be D-had done /would not be
Complete the sentences using the words in bold . Use two to five words
1. will you ever think about finding a flat of your own ?
time it's ...............time you thought........................................about finding a flat of your own
2. look at how he lives-he thinks he's a millionaire
if he lives .....as if he were.............................................a millionaire
3. this summer , i would rather book a holiday in Monaco than Lyons
prefer this summer , i .................prefer to book..............................................a holiday in Monaco rather than Lyons
4. why didn't you tell me yourself that you were leaving ?
rather i'd.........rather you told............................................me yourself that you were leaving
5. she wants to be more like her mother
wishes she..........wishes she were.....................................................more like her mother
6. i should have taken that job in canada last year
only if.....................................................................that job in canada last year
7. you should have checked the oil before you set out
better it...........'s better.............................................................you had checked the oil before you set out
8. i was about to buy the painting , when i realised it was a fake
if i would have brought the painting ................if I hadn't realised.......................................it was a fake
9. i didn't see the tv programme because i didn't know it was on
known if.................i had known.....................................the tv programme was on , i would have seen it
10. i think you should go on holiday
were if........i were you......................................................, i would go on holiday
11. you shouldn't have told Sally my secret
told i'd.......................rather you hadn't told...................................... Sally my secret
12. you'd think he was a politician
though he behaves.............as though he were............................................................. a politician
13. you should be in bed now. it's late
went it's.......time you went...............................................................to bed
14. it would have been better if you had passed on the message
only if.......only ...you had passed on........................................................the message
15. if the teacher asked you to answer that question , what would you say?
asked suppose.......that you were asked.................................................to answer that question , what would you say/
16. it's a pity it's a raining
stop i..............wish it would stop......................................................................raining
17. she couldn't tell you because she didn't know
would had..........she known, she would have...........................................................told you
18. why did i listen to John? he always tells lies
listened if...................................................................to John. he always tells lies
19. we should have left by now if we don't want to miss the bus
time it's..........time we left .....................................................if we don't want to miss the bus
20. i would have liked you to have informed my parents about my change of plan
rather i........would rather you had informed..................................................................my parents about my change of plan
21. it would have been better if they had got the earlier train
only if.........only they had got........................................................................the earlier train
22. you ought to have set a wedding date by now
time it's.......time you had set.............................................................a wedding date
Complete the sentences using the words in bold . Use two to five words
1. will you ever think about finding a flat of your own ?
time it's ......time you thought............about finding a flat of your own
3. this summer , i would rather book a holiday in Monaco than Lyonsprefer this summer , i ...prefer book.....a holiday in Monaco rather than Lyons
4. why didn't you tell me yourself that you were leaving ?
rather i'd.........rather you told...........me yourself that you were leaving
5. she wants to be more like her mother
wishes she............wishes he were .....................more like her mother
7. you should have checked the oil before you set out
better it.....had better...you had checked the oil before you set out8. i was about to buy the painting , when i realised it was a fake
if i would have brought the painting .....if i had realised.....it was a fake
9. i didn't see the tv programme because i didn't know it was on
known if..had known..the tv programme was on , i would have seen it
10. i think you should go on holiday
were if................I were you..........................., i would go on holiday
11. you shouldn't have told Sally my secret
told i'd....................better you told............................ Sally my secret
13. you should be in bed now. it's late
went it's...................time you went.....................................to bed
16. it's a pity it's a raining
stop i..................wish it would stop..............................raining
17. she couldn't tell you because she didn't know
would had.............she known,shw would have...............told you
19. we should have left by now if we don't want to miss the bus
time it's..........time we will have left by now.................if we don't want to miss the bus
20. i would have liked you to have informed my parents about my change of plan
rather i..........would rather you had informed.......my parents about my change of plan
22. you ought to have set a wedding date by now
time it's..............time you had set.................a wedding date
1,Ali painted his bedroom black.it looks dark and dreary.he......................a different colour
a,had to choose b,should have chosen c,must have chosen d,could have been choosing
2,when mr.lee was younger,he.......................work in the garden for hours,but now he has to take frequent rests because he has emphysema
a,has got to b,can c,could d,should be able
3,yesterday i.....................to a furniture store.i bought a new lamp there
a,could go b,went c,could have gone d,ought to have gone
4,jimmy and marie were mischievous children they...............tricks on their teachers,which always got them into a lot of trouble
a,could play b,used to play c,could have played d,many have played
5,why are you so sure that ann didn't commit the crime she's been accused of committing?
she....................that crime because i was with her,and we were out of town on that day
a,many not have committed b,couldn't have committed
c,commited d,wasn't supposed to commit
6,since we have to be there in a hurry,we................take a taxi
a,should b,may c,are able to d,have been used to
7,it....................rain this evening.why don't you take an umbrella?
that's a good idea.may i borrow yours?
a,had better b,could be c,might d,must
8,...............you hand me that pair of scissors,please?certainly
a,may b,shall c,will d,should
9,larry drove all night to get here for his sister's wedding.he................exhausted by the time he arrived
a,ought to be b,could be c,must have been d,will have been
10,you haven't eaten anything since yesterday afternoon.
you.....................be really hungry
a,might b,will c,can d,must
11,i left a cookie on the table,but now it's gone.what happened to it?
i don't know.one of the children.....................it
a,had to eat b,should have eaten c,many have eaten d,could eat
12,what does mr.green do for a living?
nothing.he's very rich.he....................work for a living
a,must not b,shouldn't c,doesn't have to d.hadn't better
13,why are you so late?
i.....................my aunt to the airport,the traffic was very terrible
a,could take b,should take c,had to take d,must have taken
14,they towed my car away from the executive parking lot yesterday
you....................have parked there
a,may not b,should not c,must not d,might not
15,i locked myself out of my aparterment.i didn't know what to do
you.....................your roommate
a,should have called b,would have called c,may have called d,musht have called
16,barbara just told me that she can't go to the meeting tonight
she...................go!we need her there for the financial report
a,has to b,have to c,must be d,needs
17,i need some help with this table...............you lift the other and,please?
a,may b,could c,should d,shall
1. Mr. Minh is elected the Head of the ______ Union.
A. s' Farmers B. Farmers C. Farmers' D. Farmer's
2. Mai and Minh decided to go ______ a walk.
A. by B. for C. on D. in
3. My parents ____ bought me a new motorbike if I had not failed the exam.
A. will B. will have C. would D. would have
4. The farm could _____ imported more machines.
A. have B. had C. has D. having
5. The village would have ______ a new school if they had had enough money.
A. builded B. built C. build D. building
6. My grandfather ______ teach literature at a high school, but he is now retired.
A. used to B. is used to C. use to D. was used to
7. This is a wheat crop _______ in the farm.
A. grow B. growing C. grown D. grows
8. It rained ______ heavily ______ after only half an hour, everywhere was covered with water.
A. so/ that B. such/ that C. very/ that D. so/ then
9. We decided to drive back through a new road ______ was much longer but safer.
A. what B. where C. which D. how
10. It's the first time I ______ a bird of this colour.
A. see B. am seeing C. can see D. have seen
11. The ground is hard and dry. It hasn't rained _____ ages.
A. from B. for C. since D. by
12. If I _____ the leader of the team, I ______ do a lot of things.
A. was/ will B. was/would C. were/would D. had been/ would
13. I ______ to the author if I thought he would publish the article.
A. write B. had writen C. would write D. had written
14. The black bear suddenly appeared from ______ the tent.
A. behind B. out C. with D. after
15. He ____ on a trip to America if he had time and money.
A. will go B. would have gone C. goes D. would go
16. Most snakes eat animals _____ than their own size.
A. large B. that are large
C. which are larger D. are large
17. If we went that way, I am sure we ______ get there quicker.
A. can B. must C. need D. would
18. Even if the rain ______ now, there won't be a harvest this year.
A. came B. comes C. didn't come D. will come
19. I'd rather ______ to a concert than a film, if you don't mind.
A. go B. going C. gone D. to go
20. _______ is one of the few substances that can be frozen.
A. It is water B. water C. that water D. though water
21. The Pharaohs _______ the rulers of ancient Egypt.
A. were used B, used to be C. were used to D. were used to being
22. The bell rang, but I didn't hear it. I ______ asleep.
A. were B. must be C. must have been D. was
23. If I had known Chinese was so difficult, I ______ never ______ it up.
A. would/taken B. will/take C. would/take D. would/have taken
24. Potatoes and onions ______from insects by new technology.
A. are preventing B. prevention is C. are prevented D. prevented
25. The grass is wet, It ______ last night.
A. used to rain B. rains C. would rain D. must have rained
26. _____the moon has no water, its surface responds to the gravitational force of the earth.
A. Although B. However C. Therefore D. Except
27. I would have been in real trouble _____ your help.
A. although B. despite C. because D. if it hadn't been for
28. Lan did very well on the exam. She ______ hard
A. studies B. would study C. probably studies D. probably studied
29. Tomatoes can be used ______ as a salad green or as a cooking vegetable.
A. such B. both C. either D. neither
30. In bacteria other organisms, _______ is the DNA that provides the genetic information.
A. it B. which C. and D. both
31. His light are out. Perhaps, he _____ to sleep.
A. went B. has gone C. goes D. is going
32. Mai didn't come to class yesterday. She ______ an accident.
A. will have had B. would have C. may have had D. can have
33. Nam was fined for speeding. He ______ so fast.
A. should drive B. should have driven C. drives D. should not have driven
34. Take Mai's address with you ______ you have time to see her when you are in Hanoi.
A. if B. when C. in case D. as
35. This is the only party ______ in my life.
A. I enjoy B. I will enjoy C. I have never enjoyed D. I've ever really enjoyed
36. Hai's car stopped on the high way. It _______ out of petrol.
A. runs B. may run C. may have run D. would run
37. My son came back home without his book. He _____ it.
A. could have lost B. was losing C. would lose D. would be losing
38. The farther a star is from us, ______ it seems to us.
A. smaller B. much small C. the smallest D. the smaller
39. Great noise is known__________deaf of many people.
A. causing B. to cause C. causes D. caused
40. My father said no other motorbike could go_______his motorbike.
A. so fast like B. as fast like C. so fast D. as fast as
21. If she …………… the lottery last year, She ………… rich now.
A. have won / would be
B. had won / would be
C.won / would be
D. wins / will be
22. If I …………… the homework last night, I …………… bonus today.
A. had done / would get
B. had done / would have got
C. done / would get
D. does / will get
23. If we had played this game yesterday, we …………… a lot of money now.
A. will have
B. may have
C. would have had
D. would have
24. If it ……………… last night, it would be cold today.
A. had rained
B. rained
C. have rained
D. was raining
25. If she …………… to me, she ……………… in trouble right now.
A. had listened / would be
B. had listened / would have be
C. had listened / would not be
D. A & B
26. If it had rained one hour ago, the streets ………… wet now.
A. would have be
B. will be
C. be
D. would be
27. If I ………………. to the beach yesterday, I would be tired today.
A. have gone
B. goes
C. had gone
D. A & B
28. If they had gone to school yesterday, they ……… .. to the museum now
A. would go
B. will go
C. could go
D. A&C
29. If he had done exercise last night, he ……… soccer right now.
A. will play
B. can play
C. plays
D. could play.
30. If Nina had not gone out last week, she ……………… die now.
A. will
B. would
C. could
D. B&C
KEY: A
Giải thích: may have PII: phỏng đoán điều có thể xảy ra
Dịch: tôi để chìa khoá trên bàn, nhưng giờ không thấy. Ai đó có thể đã lấy nó.