23.I ought to finish the work today.1? 24c8ieg0a98o"0 ought not to 4aautea8 out alone at night,she? a.dares b.doe 26.My father a smoke after supper when he was in the countryside. 28ioaeber8eae9e8eAsaanae9ec8neeage hard work since their working there for some time. ed to c.have become used d.will be used to 2.en1you6 tay up late at night you c.use not you d.both(a包ando notd.isn'table to nhere in New York only a few minutes ago 30. neat the a.Shall I b.Will I c.Would I like to d.Do you want me 31.-"Do I have to go to work tonight?"-"No,you meet e lon to meet us at the station.but didn't see us. ed did went anan 'go t om b can c.but Tom "No it a.must not be b eedn't be c.can't be d.w muldn't be 35.You to the party this eve ning if you have something important to do. a.needn't to come b.don't need come c.don't need coming d.needn't come ustshould d.may 36.It rain tomorrow. They bla Tom for his mistakes,but they 50 t sure." will not b. c ca you be happy! a.May b.Can c.Must d.Would 40.Jim went on foot,but he by bus. mays well o b.shou o c.could have one d.ougt have Come ana lena me a nand do you you c.c d.shall you ost b d my keys to might have lost wait for hope me to b.will I c.shall I d.would youv e second time she has been to canad nr llgoou ih you. a.would b.should c.can d.might 答案和注释 16.(c). 般疑问句的回答相应的助动词。your sister是第三人称单数，故用does. 17.(a).反意问句中，附加部分用助动词对陈述部分谓语的意义提出反问。"You hardly watch TV的 意义是否定的，所以附加部分的助动词用do而不用dont. 18.(b).祈使句的附加疑问 要用助动词shal回或wil(sha用于第一人称；wi用于第二人称).此类 祈使句(Let'sdo中的隐含的逻辑主语是我们(we)."我们去游泳，好吗？"所以用sha。 19.(b)."do+动词原形"用于陈述句或祈使句，表示加强语气。又如：Do call me this afternoon. 23. I ought to finish the work today, _I ? a. ought b. ought to c. oughtn’t d. ought not to 24. You used to drink tea, _you ? a. didn’t b. did c. used d. could 25. Mary dare not go out alone at night, _ she? a. dares b. doesn’t c. dare d. is 26.My father _ a smoke after supper when he was in the countryside. a. used to have b. used to having c. is used to having d. was used to have 27. Quite a number of college students _ hard work since their working there for some time. .a. have got used b. have been used to c. have become used d. will be used to 28. You used to stay up late at night, _? a. usedn’t you b. didn’t you c. used not you d. both (a) and (b) 29. Tom _ be in London because I saw him here in New York only a few minutes ago. a. mustn’t b. can’t c. may not d. isn’t able to 30. _ repeat the question? a. Shall I b. Will I c. Would I like to d. Do you want me 31. -"Do I have to go to work tonight?" -"No, you _." a. may not b. can’t c. must not d. needn’t 32. Smith _ to meet us at the station, but didn’t see us. a. did go b. goes c. had gone d. did went 33. Susan and Jane can go to the lecture, _. a. but neither can Tom b. and so Tom can c. but Tom can’t d. and Tom can also 34. -"That must be a mistake." -"No, it _ a mistake. It has proved to be true." a. must not be b. needn’t be c. can’t be d. wouldn’t be 35. You _ to the party this evening if you have something important to do. a. needn’t to come b. don’t need come c. don’t need coming d. needn’t come 36.It _rain tomorrow. a. can b. must c. should d. may 37. They blamed Tom for his mistakes, but they _so. a. shouldn’t do b. shouldn’t have done c. must do d. could do 38. -"Did Jack break the glass?" -"He _ have done it. I am not sure." a. will not b. might c. can d. must 39. _ you be happy! a. May b. Can c. Must d. Would 40. Jim went on foot, but he _by bus. a. may as well go b. should go c. could have gone d. ought have gone 41. Come and lend me a hand, _ ?" a. do you b. will you c. can you d. shall you 42. I can’t find my keys for the time being, I _ them. a. must lost b. would have lost c. can have lost d. might have lost 43. Where _ wait for you? a. do you hope me to b. will I c. shall I d. would you want me 44. It’s the second time she has been to Canada, _? a. hasn’t she b. isn’t it c. has she d. is it 45. Since I have nothing to do now, I _ as well go out with you. a. would b. should c. can d. might 答案和注释： 16. (c). 一般疑问句的回答相应的助动词。your sister是第三人称单数，故用does. 17. (a). 反意问句中，附加部分用助动词对陈述部分谓语的意义提出反问。"You hardly watch TV"的 意义是否定的，所以附加部分的助动词用do而不用don’t. 18. (b). 祈使句的附加疑问句中要用助动词shall或will( shall用于第一人称；will用于第二人称)。此类 祈使句(Let’s do.)中的隐含的逻辑主语是"我们(we).""我们去游泳，好吗？"所以用shall。 19. (b) . "do +动词原形"用于陈述句或祈使句，表示加强语气。又如：Do call me this afternoon