【正文】
e World Wide Web is sometimes jokingly called the World Wide Wait because it _____ be very slow.A. should B. must C. will D. can36. — I have taken someone else’s green sweater by mistake.— It ______ Harry’s. He always wears green.A. has to be B. will be C. mustn’t be D. could be37.— Do you know where David is ? I couldn’t find him anywhere. — Well. He _____ have gone far — his coat’s still here.A. shouldn’t B. mustn’t C. can’t D. wouldn’t38. — Lucy doesn’t mind lending you her dictionary. — She _____ . I have already borrowed one.A. can’t B. mustn’t C. needn’t D. shouldn’t39. This cake is very sweet. You _____ a lot of sugar in it.A. should put B. could have put C. might put D. must have put40. He paid for a seat, when he _____ have entered free.A. could B. would C. must D. need41. — Tom is never late for work. Why is be absent today? — Something ______ to him.A. must happen B. should have happened C. could have happened D. must have happened42. Helen _____ go on the trip with us, but she isn’t quite sure yet.A. shall B. must C. may D. can43. Tom, you ______ leave all your clothes on the floor like this!A. wouldn’t B. mustn’t C. needn’t D. may not44. John, look at the time. ______ you play the piano at such a late hour?A. Must B. Can C. May D. Need45. You ____ be tired — you have only been working for an hour.A. must not B. won’t C. can’t D. may not46. I often see lights in that empty house. Do you think I _____ report it to the police?A. should B. may C. will 47. — Tom graduated from college at a very young age. — Oh, he ____ have been a very smart boy then.A. could B. should C. might D. must48. — Who is the girl standing over there? Well, if you _____ know, her name is Mabel.A. may B. can C. must D. shall 49.” The interest _____ be divided into five parts, according to the agreement made by both sides,” declared the judge.A. may B. should C. must D. shall 50. — Mum, I have been studying English since 8 o’clock. ______ I go out and play with Tom for a while? — No. I am afraid not. Besides, it’s raining outside now.A. Can’t B. Wouldn’t C. May not D. Won’t51. — I don’t mind telling you what I know. — You ______. I am not asking you for it.A. mustn’t B. may not C. can’t D. needn’t52. I ______ pay Tracy a visit, but I am not sure whether I will have time this Sunday.A. should B. might C. would D. could53. — Excuse me. Is this the right way to the Summer Palace? — Sorry, I am not sure. But it _____ be.A. might B. will C. must D. can54 — Excuse me, but I want to use your puter to type a report. — You _____ have my puter if you don’