1 . Now he was sure they ________ have been dropped somewhere inside the store. (用适当的词填空)

2 . — I can hear the water running in the bathroom.

— Yes, Bria __________ be taking another shower. (用适当的词填空)

3 . You must ____________________ (以……而自豪) yourself, don’t you? (根据汉语提示完成句子)

5 . He ________ be at home, for the lights are on. (用适当的词填空)

6 . Johnny, you ________ play with the knife, you ________ hurt yourself.

A．won’t; can’t

B．shouldn’t; must

C．mustn’t; may

D．can’t, wouldn’t

7 . Look! He__________(read) a novel, for he is keeping his head down. (所给词的适当形式填空)

8 . —Who ______ it be that left the door unlocked?
—It may be Mike. He is always forgetting things.

A．should

B．must

C．could

D．might

9 . —Excuse me, is this the right way to Disneyland?
—It ________ be but I’m not completely sure.

A．must

B．will

C．shall

D．might

10 . —Where is my Chinese book? I remember I put it here yesterday.
—You ________ have put it in the wrong place. (根据句意填空)