2 . The headmaster _________ come to attend our party, but I’m not sure.

A．must

B．can

C．may

D．need

3 . Every coin has two sides. Beautiful songs, sometimes, ________ just be noise to others.

A．must

B．should

C．may

D．would

4 . —Have you decided to take up teaching as a career after graduation?
—I ________ go abroad for further education instead, but it depends.

A．should	B．must
C．might	D．shall

5 . Today, we       live in a time when we can own any movie we wish．But in the theater, movies own us．

A．shall	B．should
C．must	D．may

6 . —I don’t really like James. Why did you invite him?
—Don’t worry. He       come. He said he was’t certain what his plans were.

A．must not

B．need not

C．would not

D．might not

7 . – Is John coming by train?
– He should, but he _______ not. He likes driving his car.

A．must

B．can

C．need

D．may

8 . Most of the big hotels in Shanghai were full last week, but finally we______find a room in a small one.

A．ought to

B．could

C．were able to

D．might

9 . 24. —Who______ it be that is knocking at the door?   
—It ______ be father, but I’m not sure.

A．can; must

B．can; may

C．must; can

D．may; must

10 . Linda _____________ at home now, but I’m not sure. Why not have a try?

A．must be

B．might have been

C．may have been

D．might be