高中情态动词练习及答案

情态动词练习1. It is usually warm in my hometown in March, but it ____ be rather cold sometimes.A. mustB. canC. shouldD. would2. You ______ be hungry already ---- you had lunch only two hours ago!A. wouldn’tB. can’tC. mustn’tD. needn’t3. ---- What do you think we can do for our aged parents?---- You ____ do anything except to be with them and be yourself.A. don’t have toB. oughtn’t toC. mustn’tD. can’t4. John promised his doctor he ______ not smoke. And he has never smoked ever since.A. mightB. shouldC. couldD. would5. What a pity! Considering his ability and experience, he ______ better.A. need have doneB. must have doneC. can have doneD. might have done6. Liza ______ well not want to go on the trip ---- she hates traveling.A. willB. canC. mustD. may7. She ______ have left school, for her bike is still here.A. can’tB. wouldn’tC. shouldn’tD. needn’t8. According to the air traffic rules, you _____ switch off your mobile phone before boarding.A. mayB. canC. wouldD. should9. ---- I can’t find my purse anywhere.---- You ______ have lost it while shopping.A. mayB. canC. shouldD. would10. ---- I’m sorry. I _______ at you the other day.---- Forget it. I was a bit out of control myself.A. shouldn’t shoutB. shouldn’t have shoutedC. mustn’t shoutD. mustn’t have shouted11. ---- What sort of house do you want to have? Something big?---- Well, it _______ be big ---- that’s not important.A. mustn’tB. needn’tC. can’tD. won’t12. ---- What does the sign over there read?---- “No person _______ smoke or carry a lighted cigarette, cigar or pipe in this area.”A. willB. mayC. shallD. must13. Some aspects of a pilot’s job ______ be bring; and pilots often _______ work at inconvenient.A. can; have toB. may; canC. have to; mayD. ought to; must14. My MP4 player isn’t in my bag. Where _______ I have put it?A. canB. mustC. shouldD. would15. The weather turned out to be fine yesterday, I _____ the trouble to carry my umbrella with me.A. should have takenB. could have takenC. needn’t have takenD. mustn’t have taken ANSWERS：1—5 BBADD 6—10 DADAB 11—15 BCAAC16. In crowded places like airports and railway stations, you ______ take care of your luggage.A. canB. mayC. mustD. will17. ---- She looks very happy. She ______ have passed the exam.---- I guess so. It’s not difficult after all.A. shouldB. couldC. mustD. might18. I told your friend how to get to the hotel, but perhaps I _______ have driven her there.A. couldB. mustC. mightD. should19. ---- Mr. Gordon asked me to remind you of the meeting this afternoon. Don’t forget it!----OK, I _______.A. won’tB. don’tC. can’tD. needn’t20. ---- How is your tour around the North Lake? Is it beautiful?---- It _______ be, but it is now heavily polluted.A. willB. wouldC. shouldD. must21. The biggest problem for most plants, which ______ just get up and run away when threatened,is that animals like to eat them.A. shan’tB. can’tC. needn’tD. mustn’t22. ---- Where is my dictionary? I remember I put it here yesterday.---- You _______ it in the wrong place.A. must putB. should have putC. might putD. might have put23. ---- What’s the name?---- Khulaifi. ______ I spell that for you?A. ShallB. WouldC. CanD. Might24. ---- Who is the girl standing over there ?---- Well, if you ______ know, her name is Mabel.A. mayB. canC. mustD. shall25. I was really anxious about you. You _______ home without a word.A. mustn’t have leftB. shouldn’t have leftC. couldn’t have leftD. needn’t have left26. My sister met him at the Grand Theatre yesterday afternoon, so he ______ have attended yourlecture.A. couldn’tB. needn’tC. mustn’tD. shouldn’t27. ---- Are you coming to Jeff’s party?---- I’m not sur. I _______ go to the concert instead.A. mustB. wouldC. shouldD. might28. Johnny, you ________ play with the knife. You ________ hurt yourself.A. won’t; can’tB. mustn’t; mayC. shouldn’t; mustD. can’t; shouldn’t29. You _______ pay too much attention to your reading skill, as it is so important.A. shouldn’tB. cannotC. mustn’tD. needn’t30. ---- Is John coming by train?---- He should, but he ______ not. He likes driving his car.A. mustB. mayC. canD. needANSWERS: 16—20 CCDAC 21—25 BDACB 26—30 ADBBB31. ---- Will you stay for lunch?---- Sorry, I _______. My brother is coming to see me.A. mustn’tB. can’tC. needn’tD. won’t32. Sir, you _______ be sitting in this waiting room. It is for women and children only.A. oughtn’t toB. can’tC. won’tD. needn’t33. It is raining very hard. We _________ stay here until the rain stops.A. dareB. mustC. have toD. are able to34. It’s a fine day. Let’s go fishing, ________ ?A. won’t weB. will youC. don’t youD. shall we35. When he was there, he ______ go to that coffee shop at the corner after work every day.A. wouldB. shouldC. mightD. had better36. My brother _____ come to your party tonight because he _____ prepare for tomorrow’s exam.A. can’t; shouldB. mustn’t; canC. can’t; mustD. mustn’t; had to37. English is a language that many people around the world _____ not speak perfectly but _____at least understand.A. would; mightB. will; mustC. might; couldD. can; may38. ---- ________ I book a table for dinner a few days ahead of time?---- Yes, you ________. The restaurant is always full, especially during the holidays.A. Must; willB. Must; canC. Shall; shallD. Shall; must39. ---- It _______ be Mary in the office.---- I’m sure it _______ be her. I saw her off at the bus station just ten minutes ago.A. must; shouldn’tB. should; can’tC. must; can’tD. can; mustn’t40. Their answers are exactly the same ---- one of them ______ from the other.A. must copyB. must have copiedC. should copyD. should have copied41. ---- _________ I tell John about it?---- No, you needn’t. I have told him already.A. ShallB. WillC. CanD. May42. ________ you please help me with my English?A. WouldB. DoC. ShallD. Can43. ---- Must I start at once?---- No, you ___________.A. needn’tB. mustn’tC. can’tD. won’t44. ---- Need I hand in my exercise book at once?---- Yes, you __________A. mustB. needC. canD. will45. ---- Could I borrow your dictionary?---- Yes, of course you _______.A. mightB. willC. canD. shouldANSWERS: 31—35 BACDA 36—40 CCDCB 41—45 AAAAC46. ---- Listen! Someone is knocking at the door. I ________ be Father.---- It _______ be him; he is supposed to be back home tomorrow.A. may; mayB. must; can’tC. can; ca n’tD. could; must47. Twenty minutes have passed; the bus _______ come at any moment.A. shallB. shouldC. canD. must48. She ________ have flown to Beijing last night, for I stayed with her all the time.A. mustn’tB. may notC. shouldn’tD. can’t49. You ______ the work better, but you didn’t try your best.A. must have doneB. will have doneC. could have doneD. can have done50. The light is on. We _______ have forgotten to turn it off before we went out.A. shouldB. mustC. couldD. might51．May I stop my car here? No, you_＿＿＿.A. can'tB. mustn'tC. needn'tD. don't have to52 Must we clean the house now? No, you _______.A. needn'tB. may notC. mustn'tD. can't53. John ________ his father about his failure in the exam.A. dares not tellB. dares not tellingC. dare not tellD. dares not to tell54. You________ return the book now. You can keep it next week if you like.A. can'tB. mustn'tC. needn'tD. may not55. Johnny, you _______ play with the knife, you hurt yourself.A. won't; can'tB. mustn't; mayC. shouldn't, mustD. can't; shouldn't56. The fire spread through the hotel very quickly but everyone ________ get out.A. had toB. wouldC. couldD. was able to57. ---- Would you go out for a walk with me?---- No, I______ . My girl friend is coming.A. wouldn'tB. shall notC. won'tD. shouldn't58. Man _______ die without water.A. willB. canC. needD. shall59. If he started at 9 0'clock, he _______ be there by now.A. needB. shallC. ought toD. must60. I mailed the letter two weeks ago. She _____ it.A. must receiveB. can't receiveC. might receiveD. must have received ANSWERS: 46—50 BBDCB 51----55 BACCB 56----60 DCADD61.The professor gave orders that the experiment _______ before 5:30p.m.A. be finishedB. will finishC. must be finishedD. would be finished62. There was plenty of time. You _____.A. mustn't hurryB. mustn't have hurriedC. needn't hurryD. needn't have hurried63. Tom was a diligent boy. He ________ go to school though it was raining hard.A .was able to B. could C. couldn't D. wasn't able to64. ______I go back before lunch? No, I don't think you________.A. Need; mustB. Do; need toC. Must; have toD. May; ought to65. The teacher __________ do all the exercises, but a pupil _______.A. needn't; mustB. may not; mustC. needn't; needn'tD. can't; must66. ---- Would you open the window please ?---- Yes, I______.A. willB. wouldC. doD. can67. A lion _______ only attacks a human being when it is hungry.A. shouldB. canC. willD. shall68. ---- Must I finish this novel this morning ?---- No, you_____.A. mustn'tB. might notC. don't have toD. can't69. The taxi ____ only hold six passengers. It is full. You _______ take the next one.A. may...mayB. can...mayC. may...canD. must...can70. I _______ a little earlier, but I met a friend of mine on the way.A. may comeB. may have comeC. could have comeD. must have come71. I wish to go home now, _______ I?A. mayB. can'tC. mustD. do72. He must have finished his homework, __________ he?A. mustn'tB. didn'tC. needn'tD. hasn't73. This pen looks like mine, yet it isn't. Whose _________ it be?A. mustB. canC. mayD. might74. He didn't do well in the exam. He ________ hard at his lessons.A. must have workedB. ought to have workedC. would have workedD. has worked75. I wonder how he __________ that to the teacher.A. dare to sayB. dare sayingC. not dare sayD. dared say ANSWERS: 61----65 ADACA 66----70 ACCBC 71----75 ADBBD76. Mr. Baker, a number of students want to see you. _____ they wait here or outside?A. ShouldB. WillC. ShallD. Are77. You __________ the trees. Look, it is raining now.A. mustn't have wateredB. needn't have wateredC. could have wateredD. might have watered78. I ________ give you an answer tomorrow. I promise!A. mustB. willC. mayD. shall79. As a soldier, you ________ do as the head tells you.A. willB. shallC. mayD. ought to80. The streets are all dry. It _____ during the night.A. can't have rainedB. must have rainedC. couldn't rainD. shouldn't have rained81.Mary was not in her bedroom yesterday afternoon. She ____ in her classroom.A. should have beenB. must have beenC. must beD. should be82. Eve was late for class again. She ____earlier.A. should get upB. must get upC. need to get upD. should have got up83. Walking alone in the deserted village, John was scared. He thought he ______ Tom to go withhim.A. might have askedB. should askedC. must have askedD. should have asked84. When I got to the cinema, the film had already started; I____ there earlier.A. ought to getB. ought to have gotC. must have gotD. must get85. She can speak quite fluent English. She____.A. must been in the U.S.A. for some timeB. must have been in the U.S.A. for some timeC. should have been in the U.S.A. for some timeD. May be in the U.S.A. for some time86. Mary ____my letter, otherwise she would have replied before now.A. should have receivedB. has receivedC. Couldn't have receivedD. ought to have received87. When we got to the cinema, the film hasn't started yet, so we ____.A. needn't hurryB. didn't need hurryC. needn't to hurryD. needn't have hurried88 .It was really very dangerous; you ____ him seriously.A. might have injuredB. could injureC. should have injuredD. must injure89. I can't find the recorder in the room. It ____ by somebody.A. may have been taken awayB. may leaveC. may take awayD. must have taken away90. He ____the 9:20 train because he didn't leave home till 9:25.A. can reachB. could catchC. may not catchD. couldn't have caught ANSWERS: 76----80 CBBBA 81----85 BDDBB 86----90 CDA AD91. ---- Isn’t that Ann’s husband over there?---- No, it ______ be him I’m sure he doesn’t wear glasses.A. mustn’tB. won’tC. may notD. can’t92. ---- There’s somebody at the door. Who ______ it be? Is it the postman?---- No, it ______ be him. It’s just seven o’clock. It’s too early.A. can; can’tB. will; won’tC. may; mustn’tD. must; may not93. She stood by the door, ________ a word.A. not daring sayB. daring not sayC. daring not to sayD. not to dare say94. The big fire last night ______ the whole building. But the heavy rain helped it.A. might be burning downB. could have burned downC. should have been burningD. must have been burning95. Children under 12 years of age in that country ________ be under adult supervision when in apublic library.A. mustB. mayC. canD. need96. My English-Chinese dictionary has disappeared. Who ______ have taken it?A. shouldB. mustC. wouldD. could97. ---- ______ we go to the park this Sunday”---- Good idea!A. WillB. CanC. MustD. Shall98. ---- He daren’t climb the tree, dare he?---- ____________A. Yes, he dareB. No, he dareC. Yes, he daren’tD. Yes, he dares99. Even the top students in our class can’t work out this problem, so it ______ be very difficult.A. mayB. mustC. canD. need100. ---- I feel a bit worried.---- No, you ________. Nothing serious.A. haven’tB. needn’tC. can’tD. may not101. A computer ______ think for itself, it must be told what to do.A. can’tB. couldn’tC. may notD. might not102. ---- Could I borrow your dictionary?---- Yes, of course you ________.A. mightB. willC. canD. should103. Peter ________ come with us tonight, but he isn’t very sure yet.A. mustB. mayC. canD. will104. 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 out105. ---- Shall I tell John about it?---- No, you ______. I’ve told him already.A. needn’tB. wouldn’tC. mustn’tD. shouldn’t ANSWERS: 91----95 DAABD 96----100 DDABB 101----105 ACBCA106. ---- There were already five people in the car but they managed to take me as well.---- It ______ a comfortable journey.A. can’t beB. shouldn’t beC. mustn’t have beenD. couldn’t have been 107. It’s nearly seven o’clock. Jack ______ be here at any moment.A. mustB. needC. shouldD. would108. Johnny, you ______ play with the knife, you ______ hurt yourself.A. won’t; can’tB. mustn’t; mayC. shouldn’t; mustD. can’t; should 109. The fire spread through the hotel very quickly but everyone ______ get out.A. had toB. wouldC. was able toD. could110. ---- When can I come for the photos? I need them tomorrow afternoon.---- They ______ be ready by 12:00.A. mustB. shouldC. mightD. need111. ---- I stayed at a hotel while in New York.---- Oh, did you? You ______ with Barbara.A. could have stayedB. could stayC. would stayD. must have stayed 112. ---- Will you stay for lunch?---- Sorry, ______ . My brother is coming to see me.A. I mustn’tB. I can’tC. I needn’tD. I won’t113. ---- Are you coming to Jeff’s party?---- I’m not sure. I ______ go to the concert instead.A. mustB. wouldC. shouldD. might114. ---- Write to me when you get home.---- ______________A. I mustB. I shouldC. I willD. I can115. I was really anxious about you. You ______ home without a word.A. mustn’t leaveB. shouldn’t have leftC. couldn’t have leftD. needn’t leave 116. ---- Is John coming by train?---- He should, but he ______ not. He likes driving his car.A. mustB. canC. needD. may117. A left-luggage office is a place where bags _________ be left for a short time, especially at a railway station.A. shouldB. canC. needD. may118. You ______ return the book now. You can keep it till next week if you like.A. can’tB. mustn’tC. needn’tD. may not119. You ______ to the meeting this afternoon if you have something important to do.A. needn’t to comeB. don’t need comeC. don’t need comingD. needn’t come 120. When he was there, he ______ go the that coffee shop at the corner after work every day.A. wouldB. shouldC. had betterD. might ANSWERS: 106----110 DCBCB 111----115 ABDCB 116----120 DBCDA情态动词和虚拟语气试题精选1. I often see lights in that empty house. Do you think I ______ report it to the police ？A. shouldB. mayC. willD. can2. ---- The room is so dirty. ______we clean it ?---- OK.A. WillB. ShallC. WouldD. Can3. ---- Dare your little daughter stay at home alone at night ?---- _________A. Yes, she doesB. No, she dare notC. No, she doesn’tD. Yes, she dares to4. It is suggested that a doctor _______ immediately.A. be sent forB. send forC. is send forD. should send for5. When he was there, he ______ go to that coffee shop at the corner after work every day.A. wouldB. shouldC. had betterD. might6. There is no light on; they ______ be at home.A. can’tB. mustn’tC. needn’tD. shouldn’t7. ---- Mr. Smith, ______ he have all these papers typed for you right away ?---- He ______. They should be ready by 10 o’clock this morning.A. will; mustB. shall; has toC. need; willD. would; ought to8. Research findings show we spend about two hours dreaming every night, no matter what we ______ during the day.A. may have doneB. can have doneC. must have doneD. should have done9. ---- Don’t press the button, John.---- What if I _______A. didB. wouldC. willD. shall10. Their basketball team has lots of excellent players, so if there is no unexpected thing to happen,their team ______ win the championship.A. wouldB. mayC. shouldD. need11. Jenny ______ her word. I wonder why she changed her mind.A. must have keptB. can have keptC. should have keptD. would have kept12. My mother stared at me as if she ________ me before.A. didn’t seeB. hasn’t seenC. hadn’t seenD. doesn’t see13. Peter ______ come with us tonight, but he isn’t sure.A. mustB. mayC. canD. will14. ---- Could I use your computer while you are out?---- Of course you _______A. couldB. shouldC. mustD. can15. I’ve changed to take the job and I ________ change my mind.A. mustn’tB. can’tC. won’tD. may notANSWERS: 1----15 ABBAA ABAAC CCBDC16. ---- Is John coming by bus ?---- He should, but he ______ not. He likes riding his bike.A. mustB. canC. needD. may17. ---- I heard they went skating in the mountains last winter.---- It ______ be true because there was little snow there.A. may notB. won’tC. couldn’tD. mustn’t18. I was really anxious about you. You ______ home without a word.A. mustn’t leaveB. shouldn’t have leftC. couldn’t have leftD. needn’t leave19. ---- Mary, how did your Math test go ?---- I had thought I ______, but in fact I came in the top 10 in my class.A. should have failedB. could have failedC. might have failedD. need have failed20. I wonder how he ______ that to the teacher.A. dare to sayB. dare sayingC. not dare sayD. dared say21. It’s high time that he settled down in the city and ______ a new life.A. startB. startedC. to startD. starting22. How I wish I ______ to learn Japanese when I was ten.A. would beginB. beganC. should beginD. had begun23. ---- ______ he have been chosen as captain of our school football team?---- Yes, he ______. Can’t you see he’s wearing an armband ?A. Can; can’tB. Must; must haveC. Can; must haveD. Must; must24. ---- Isn’t that Ann’s mother over there?---- No, it ______ be her. I’m sure she is taller.A. can’tB. must notC. won’tD. may not25. ---- No wonder you caught a cold. You ______ out last night without a coat.---- I know how silly I was.A. shouldn’t have goneB. mustn’t have goneC. couldn’t have goneD. mightn’t have gone26. But for your timely help, the boy ______ his life.A. must have lostB. may loseC. might have lostD. should lose27. What would you say if I ______ you the truth ?A. am going to tellB. were to tellC. have toldD. would tell28. ---- You really shouldn’t have shouted to them.---- Right. I ______ crazy then.A. must beB. must have beenC. would have beenD. should have been29. If I ______ you, I ______ a plane instead of a bus. It’s too far.A. were; would have takenB. had been; would have takenC. were; would takeD. had been; would take30. ---- Were you shown around Venice in a boat with those American tourists?---- No, but I wish I ______A. amB. wereC. hadD. shouldANSWERS: 16----30 DCBCD BDCAA CBBCC31. ---- Mum, it’s none of my business. Why ______ I care?---- Just because she is your sister.A. canB. shouldC. willD. may32. Oh, I’m feeling bad in the stomach. I ______ so much fried chicken just now.A. shouldn’t eatB. mustn’t have eatenC. shouldn’t have eatenD. mustn’t eat33. It has been announced that candidates _________ remain in their seats until all the papers havebeen collected.A. canB. willC. mayD. should34. He has always insisted that he ______ Dr Turner instead of Mr. Turner.A. will be calledB. callC. have been calledD. should be called35. He made a suggestion that the English test ______ until next Wednesday.A. will be put offB. be put offC. will put offD. put off36. I would rather you ______ to see me tomorrow.A. comeB. will comeC. cameD. had come37. But for the Party, we ______ today’s happy life.A. will never haveB. didn’t haveC. would never haveD. don’t have38. The requirement is that every student ______ one or two books.A. donateB. donatesC. donatedD. will donate39. In fact, you ______ have shown me to the station. I’m not a new comer.A. couldn’tB. shouldn’tC. needn’tD. mustn’t40. ---- Guess what? I drove my new car at a speed of 150 km this afternoon. It was fun.---- Were you crazy? You ______ yourself.A. can killB. might killC. would have killedD. could have killed41. The teacher ordered that these exercises ______ in three days’ time.A. be finishedB. finishC. be finishingD. finished42. ______ the weather ______ fine! We have to put off our picnic again.A. On condition that; isB. When; could beC. If only; wereD. As long as; is43. ---- Are you coming to Jeffy’s party?---- I’m not sure. I ______ go the concert instead.A. mustB. wouldC. shouldD. might44. My sister eats too much every day, or she ______ thinner.A. will beB. isC. would beD. had been45. The spring here sometimes ______ be very cold.A. mustB. shouldC. canD. willANSWERS: 31----45 BCDDB CCACD ACDCC46. ---- It’s so late. My son ______ be back!---- Don’t worry. I dare say he ______ have some extra work to do.A. can; mustB. will; mightC. must; mayD. should; must47. ---- Liu Xiang has successfully undergone the surgery in a US hospital.---- But for his foot injury, he ______ another gold medal in the Beijing Olympic Games.A. must have wonB. would have wonC. would winD. had won48. You might as well tell the manager that male customers ________ not like the design of thefurniture.A. mustB. shallC. mayD. need49. He ______ full marks, but he was so careless as to make a spelling mistake.A. must have gainedB. can have gainedC. could have gainedD. must gain50. It ______ sound like a perfect destination, but it is really adventurous to go there.A. shouldB. mustC. shallD. may51. ---- Can I pay the bill by check?---- Sorry, sir. But it is the management rule of our hotel that payment ______ be made in cash.A. shallB. needC. willD. can52. We ______ last night, but we went to appreciate the flowerbeds and streetlights in TiananmenSquare instead.A. might studyB. could studyC. should have studiedD. must have studied53. According to the air traffic rules, you ______ switch off your mobile phone before boarding.A. mayB. canC. wouldD. should54. The weather turned out to be fine yesterday. I _____ the trouble to carry my umbrella with me.A. should have takenB. could have takenC. needn’t have takenD. must have taken55. It is usually warm in my hometown in March, but it ______ be rather cold sometimes.A. mustB. canC. shouldD. would56. ---- Dad, my birthday is coming.---- Oh, you ______ have a new MP4 for your birthday, Kathy.A. ought toB. canC. shallD. must57. ---- How could I thank you enough?---- Don’t mention it. Any other man ______ that.A. must doB. could doC. would have doneD. should have done58. ---- How I wish I had studied harder when I was in senior school!---- If you had, you ______ a university student now.A. areB. would beC. should beD. were59. ---- Did you go to the party last night?---- Yes, and I’d rather not ______. It was so ______.A. go; tiredB. have gone; tireC. have gone; tiringD. go; tiring;60. If you ______ the medicine, you would feel better now.A. tookB. had takenC. would takeD. were to take ANSWERS: 46----60 DBCCD ACDCB CCBCB61. ---- Could you possibly get me a copy of Longman Dictionary?---- There ______ be no problem.A. couldB. wouldC. mightD. should62. It ______ heavily when he got back home, for he was wet all over.A. was rainingB. must have been rainingC. must be rainingD. rained63. I heard you had a traffic accident yesterday. With a little care you ______ this traffic accident.A. could avoidB. would avoidC. could have avoidedD. must have avoided64. Can you imagine that a diligent and bright boy ______ fail to pass the exam.A. mightB. shouldC. needD. would65. Mary was badly ill; otherwise, she ______our celebration yesterday.A. would have attendedB. must have taken part inC. could join inD. would attend66. The manager considers it urgent that these files ______ right away.A. had to be printedB. should have been printedC. must be printedD. should be printed67. Alice ______ a good salary in a job but she stayed at home for the sake of her family.A. must makeB. should have madeC. would makeD. could have made68. A he had heart attack, he was told that he ______ continue the work.A. needn’tB. may notC. mustn’tD. can’t69. ---- Has Jack handed in his English composition?---- Yes, but the teacher said that he ______ yesterday morning.A. might get it doneB. should hand it inC. ought to get it doneD. should have handed it in70. ---- James didn’t turn up last night, did he?---- No, he ______. We hadn’t changed our plan.A. shouldn’t have comeB. needn’t have comeC. didn’t need to comeD. needn’t to come71. Cars play an important role in the modern life, but they ______ also cause many problems likeair pollution.A. shouldB. canC. mustD. will72. ---- Did you hand in your homework this morning?---- No, I ______, but I forgot.A. ought toB. ought to haveC. shouldD. must have73. ---- But for your timely warning, I ______ into great trouble.---- Well, you know we’re friends.A. would getB. must have gotC. shouldD. can have got74. Tom’s boss told Tom that if he worked hard, he ______ have a rise.A. mayB. ought toC. canD. shall75. The manager ordered that all the work ______ in two days’ time.A. be finishedB. finishC. be finishD. finished。