1 . It is usually very hot here in Wuxi in June, but it _______ be cool sometimes.

A．can

B．must

C．should

D．would

2 . Someone is knocking at the door. it be Tom?

A．Must

B．Should

C．Can

D．May

3 . 根据句意，用适当的情态动词、虚拟语气填空
1. It is raining heavily outside. You ____________ as well stay here for the night.
2. But for the timely help of the PLA man that day, you ____________(kill) in the car crash.
3. I’m very busy with my Mid-term examination, or I __________ (go) to see the movie with you.
4. While taking exams, a student _________ never be too careful to get high grades.
5. — Tom has arrived. _________ he come in to see you?     —Yes, of course. Call him in.
6. Why are you here? It’s class time and you __________ be in the classroom now.
7. Had you studied harder at college, you __________(get) a better job now.
8. You _________(not) sit in this part. It’s for women and children only.
9. — Let’s go to see a film.   — Why today. I’d rather we __________ (see) a film tomorrow.
10. The old man treated the boy as if he _________ his own son.

4 . It was so noisy that we       hear ourselves speak.

A．couldn’t	B．shouldn’t
C．mustn’t	D．needn’t

5 . —What        it be?
—It        be a man, for it is not moving. It        be a dustbin, I think.

A．can; may; must	B．can; can’t; must
C．can; must; can	D．may; may not; could