1 . ——Tom is never late for work. Why is he absent today?
——Something ______ to him.

A．must happen	B．could happen
C．would have happened	D．must have happened

2 . It’s eleven o’clock already. ______ you watch the movie at such a late hour?

A．Can

B．Must

C．May

D．Shall

3 . My room is in a mess, but I ________ clean it before I go out tonight. I have determined to do a thorough cleaning tomorrow morning.

A．daren’t

B．shouldn’t

C．mustn’t

D．needn’t

4 . -Hello, can I speak to Mr Smith?
-Sorry, you ________ have a wrong number. There is no one of that name here.

A．need

B．can

C．must

D．would

5 . You ________ be Carol. You haven’t changed a bit after all these years.（一定）（根据汉语提示填空）

6 . You don’t have to know the name of the author to find a book. You _____ find the book by the title.

A．must

B．need

C．can

D．would

7 . You ______ pay your library fines, if not, you ______ not be allowed to graduate.

A．may; should

B．should; need

C．must; will

D．will; can

8 . --- I called you last night, but no one answered.
--- Sorry, I _______ sleeping.

A．must have been

B．would have been

C．must be

D．could be

9 . You _____ be right but I’m going back to check anyway.

A．should

B．must

C．need

D．might

10 . I’m sorry, but you _____ go wrong. There’s no such man here.

A．need

B．can

C．must

D．will