情态动词练习1.He was a good swimmer, so he _______ swim to the bank when the boat turned over.A. mustB. was able toC. shouldD. might2.He must have learned about the accident, ________? Otherwise he couldn’t be talking lively.A. mustn’tB. hasn’tC. haven’tD. didn’t3.---Could I use your bike?---No, _______ because I will use it.A. you’d better notB. you won’tC. you mayD. you shouldn’t4.The project ________ considered thoroughly, and I’m sure it ________ finished on time.A. must, mayB. should be, can beC. need, shouldD. must be, may be5. A left-luggage office is a place where bags _______ be left for a short time, especially at arailway station.A. shouldB. canC. mustD. will6.---Must I come at 4 o’clock?---Oh no, you _____ come at four.A. needn’tB. mustn’tC. couldn’tD. can’t7.Research findings show we spend about two hours dreaming every night, no matter what we____ during the day.A. should have doneB. would have doneC. may have doneD. must have done8.It was very kind of you to do the washing-up, but you _____ it.A. mustn't have doneB. wouldn't have doneC. mightn't have doneD. didn't have to do9.If you don't like to swim, you ___ stay at home.A. should as wellB. may as wellC. can as wellD. would as well10. You ____ him so closely; you should have kept your distance.A. shouldn't followB. mustn't followC. couldn't have been followingD. shouldn't have been following11. You _____ her in her office last Friday; she's been out of town for two weeks.A. needn't have seenB. must have seenC. might have seenD. can't have seen12. The room is in a terrible mess; it ____ cleaned.A. can't have beenB. shouldn't have beenC. mustn't have beenD. wouldn't have bee13. Has it been warned that all the children in this area ____ stay at their homes until the Bird Flu has been controlled?A. canB. willC. mayD. shall14. I told Sally how to get here, but perhaps I ____ for her.A. had to write it outB. must have written it outC. should have written it outD. ought to write it out15. Jack _____ yet, otherwise he would have telephoned me.A. mustn’t have arrivedB. shouldn’t have arrivedC. can’t have arrivedD. needn’t have arrive d16. Sir, you ______be sitting in this waiting room. It is for women and children only.A. mustn’tB. can’tC. won’tD. needn’t17. The driver has drunk too much wine and dangerous things _____ happen at any time.A. shouldB. canC. mustD. need18. — Is John coming by train?— He should, but he _____ not. He likes driving his car.A. mustB. canC. needD. may19. It has been announced that candidates _______ remain in their seats until all the papers have been collected.A. canB. willC. mayD. shall20. Why did you throw the bottle out of the window? You ____ somebody.A. might hurtB. could have hurtC. would hurtD. must have hurt21. —Don’t forget to come to my birthday party tomorrow.—_______.A. I don’tB. I won’tC. I can’tD. I haven’t22. I didn’t see her in the meeting-room this morning. She______ at the meeting.A. mustn’t have spokenB. shouldn’t have spokenC. needn’t have spokenD. couldn’t have spoken23. —Summer Holiday is drawing near. Are you going home for the holiday?—I haven’t decided yet. I ______ go home, but it depends on the weather.A. mustB. needC. mayD. will24. This couple had been separated twenty years, you _____imagine how happy they were when they met again.A. mightB. willC. canD. must25. We ______last night, but we went to the concert instead.A. must have studiedB. might studyC. should have studiedD. would study26. She _____ listen to records, alone in her room for hours. We jus t won’t interrupt her, for we know this is her usual way to stay in peace.A. mightB. mustC. willD. should27. -–Well done, Tom!-- Thanks, but given me more time, I ___ it much better.A. shouldn’t have doneB. should have doneC. might not doD. could have done28. ______ you enjoy many years of health and happiness!A. MightB. MayC. CanD. Must29. When crossing the street, you ________ be too careful.A. needn’tB. couldC. mustD. can’t30. I ___________ you last week, but I was very busy then.A. would have liked to visitB. liked to visitC. have liked to visitD. would like to visit31.--Have a cup of tea, ___________?--Thank you.A. haven’t youB. don’t youC. will youD. can you32. --Look, someone is coming. Guess __________.--Jack. He’s always on time.A. who can it beB. who he mayC. who he can beD. who it can be33. --Shall I tell her to come to see you?--No, you ________. I’ve already sent for her.A. can’tB. mustn’tC. shouldn’tD. needn’t34. I promised to get there before 5 o’clock, but now the rain is pouring down. They ________for me impatiently.A. must be waitingB. ought to waitC. could be waitingD. may wait35. To be on safe side, we ______ fill up the tank now, because we ________ run out of gas onthe way.A. could, couldB. should, mightC. should, wouldD. could, might36. Only in this way _______ find put how this kind of animals lived and then finished theresearch on tine.A. could theyB. they couldC. were they able toD. they were able to37. --_________ I bring you milk or coffee, sir?--Oh, neither, please. I ___________ just have some tea.A. Shall, wouldB. Can, mightC. May, shouldD. Must, could38. ---Are you coming to Jeff’s party?---I’m not sure. I ________ go to the concert instead.A. mustB. wouldC. shouldD. might39. _________ it be difficult to learn Japanese.A. shallB. mustC. shouldD. need40. Your shirt is dirty. _________ it for you?A. Am I going to washB. Will I washC. Am I washingD. Shall I wash41. When Marx was in London, he ___________ read at the library for hours.A. wouldB. mightC. couldD. should42. ________ show himself in the front of the mirror?A. Dares the kingB. Dare the kingC. Does the king dareD. Is the king dare43. He ought _______ the child, but he did.A. not to have beatenB. to have not beatenC. to have beatenD. to beat44. She was ill that day. Otherwise, she _________ your wedding.A. would attendB. attendedC. would have attendedD. should have attended45. Why didn’t he ask for the job? He ____________ it.A. must have gotB. could have gotC. should have gotD. can’t have got46. Why _______ you be so late today?A. couldB. shouldC. mightD. would47. With all the work on hand, he ________ to the cinema last night.A. mustn’t goB. shouldn’t have goneC. could not goD. couldn’t have gone48. Two weeks ago, he suggested that we ________ go to see Ba Jin, one of the literary greats, but now it was late for he died in Shanghai yesterday.A. wouldB. shouldC. /D. both B and C49. Oil ________ float on the surface of water.A. couldB. mayC. willD. shall50. You _________ to town to see the film yesterday. It will be on TV tonight.A. needn’t goB. had better not goC. should no goD. needn’t have gone。