1 . You _____never work too hard in learning a language. That’s what it takes to learn a language well.

A．must

B．can

C．will

D．may

2 . —It ________ be John who is in the office.
—No, it ________ be him. I saw him off at the airport half an hour ago.

A．can’t; can’t	B．must; can’t
C．must; mustn’t	D．may; mustn’t

3 . Passengers _____ talk to the driver while the bus is moving, because it will take his focus off the road.

A．would not	B．must not
C．may not	D．need not

4 . —Ms Lin looks rather a kind lady.
—But in fact she is cold and hard on us. You ____ believe it!

A．shouldn’t

B．wouldn’t

C．mustn’t

D．needn’t

5 . I have told you the truth. ________ I keep repeating it?

A．Must

B．Can

C．May

D．Will

6 . —It’s hard to believe that Jack ________ have fought with the policeman.
—Yes. If one ________ ask for trouble, it can’t be helped.

A．would; will

B．must; may

C．should; must

D．need; dare

7 . If you        go, at least wait until the storm is over.

A．can	B．may
C．must	D．will