1 . —Must we wear masks all the time during our stay at school?
—No, you ________. You can take them off when you have P.E. lessons.

A．can’t

B．mustn’t

C．needn’t to

D．don’t have to

2 . We ________ stop at the red light when crossing the road.

A．must

B．have to

C．may

D．can

3 . —Shall we play football here?
—No, we ________. Look at the sign. It says “No ball games here!”

A．couldn’t

B．needn’t

C．mustn’t

D．shall not

4 . students, classroom, the, eat, in, mustn’t, the（.）
____________________________________.

5 . These days in Xiaogan, you ________ wear a mask (口罩) when you get on the bus.

A．must

B．can’t

C．has to

D．aren’t

6 . —________ I finish my homework now?
—No, you ________. You can do it tomorrow.

A．Can’t; must	B．Must; don’t have to
C．May; couldn’t	D．Couldn’t; could

7 . —Oh, it’s 6 o’clock now. I __________ leave, or I’ll be late.
—OK, let’s meet next time.

A．can

B．must

C．will

D．need

8 . —__________ I answer this question in English?
—No, you __________. You can answer it in Chinese.

A．Must; mustn’t

B．May; mustn’t

C．Must; needn’t

D．May; needn’t

9 . —_________ I swim here?
—I’m sorry. Children _________ swim alone here. It’s very dangerous.

A．Must; can’t	B．May; shouldn’t
C．Can; mustn’t	D．Can; needn’t

10 . —In China, many students feel stressed because of too much homework.
—Don’t worry, our government has realized this problem. I’m sure there ________ be good news for them soon.

A．must

B．can

C．should

D．need