【正文】
e the best answers to plete the following sentences:1. I thought you like something to read. So I have brought you some books.A. ought B. might C. could D. must2. –That man must be Sarah`s husband.No, he be her husband. She is still single.A. can`t B. mustn`t C. may not D. ought to3. Peter e with us tonight, but he isn`t very sure.A. must B. may C. can D. will4. –What it be?It be a mail box, for it is moving. It be a car.A. can。 can`t。 must B. can。 can。 mustC. can。 mustn`t。 must D. must。 mustn`t。 can5. –Look, someone is ing. Guess .Jack. He`s always on time.A. who can it be B. who he mayC. who he can be D. who it can be6. –I saw Mary in the library yesterday.You her. She is still abroad.A. mustn`t see B. can`t have seen C. mustn`t have seen D. couldn`t see7. David, you play with the valuable bottle, you break it.A. won`t。 can`t B. mustn`t。 mayC. shouldn`t。 must D. can`t。 shouldn`t8. Susan refuses to marry Jack now. She her mind.A. must change B. should have changedC. must have changed D. would have changed9. Sue e together with us tonight, but she isn`t very sure yet.A. must B. may C. need D. will10. Aunt Margaret the rain, otherwise she would have arrived here by now.A. must have missed B. should have missedC. had missed D. might miss二.Fill in the blanks using must / can / could / may / might and their negative forms.1.–Could I borrow your dictionary?Yes, of course you .2. She doesn`t answer the bell. She be asleep.3. The ground is wet. It have rained last night.4. He is writing with a pencil. He have lost his pen.5. A puter think for itself, it be told what to do.6. There is much gas here, you smoke here.7. –Was he present at the meeting?He not have attended it, for he was busy repairing his car all the time.8. Look! An old man is lying in the middle of the street. He be hurt in an accident.9. Nobody saw her at the meeting yesterday, she have spoken at the meeting 10. –My goodness. I just missed the train.That`s too bad. I am sure you have caught it, if you had hurried.