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 . The traffic is heavy these days. I       arrive a bit late, so could you save me a place?

A．can

B．must

C．need

D．might

3 . ---Why hasn’t Jane arrived yet?   
---She ______ again in the morning.

A．shouldn’t have overslept

B．may have turned off the alarm clock

C．must have no one to call her

D．should have someone to wake her up

4 . If you often go to a gallery, it ______ well change forever the way you look at art.

A．may

B．should

C．will

D．must

5 . No matter how healthy you ________ be, you need to consult a doctor from time to time.

A．should	B．will
C．must	D．may