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Isn’t that Ann’s husband over there?

-- No, it _____ be him―I’m sure he doesn’t wear glasses.

   A. can’t        B. must not        C. won’t           D. may not

I often see lights in that empty house. Do you think I ____ report it to the police?

  A. should        B. may            C. will            D. can

John, look at the time. _____ you play the piano at such a late hour?

  A. Must         B. Can            C. May            D. Need

He paid for a seat, when he ______ have entered free.

  A. could         B. would          C. must           D. need

Lucy doesn’t mind lending you her dictionary.

-- She _____. I’ve already borrowed one.

  A. can’t         B. mustn’t         C. needn’t          D. shouldn’t

 Harry has been reading all day ―he ______ be tired.

　A. should        B. has got to　　    C. has to          D. must

Jack’s ill, so they ______ change their plans.

　A. must         B. should          C. have got to      D. ought to

―Must I clean the window now?

―No, you ______.

　A. mustn’t       B. needn’t　　     C. can’t            D. may not

You ______ see the doctor, Joe. You don’t look very well.

　A. must         B. shall　　        C. may           D. can

Mike, you ______ play with fire. You______ burn yourself.

　A. won’t; can’t                       B. mustn’t; may

　C. don’t have to; must               D. have got to; shouldn’t