1 . —Whose English book is this?
—It________ be Lily’s, but I’m not sure.

A．will

B．might

C．must

D．need

2 . — Listen! I didn’t mean to hurt you. It’s an accident.
— I __________ listen to your nonsense (废话) .

A．can’t

B．needn’t

C．won’t

D．mustn’t

3 . —My parents ________ allow me to go swimming in the river without them.
—I think so. That’s too dangerous.

A．shouldn’t

B．needn’t

C．couldn’t

D．won’t

4 . 请你把狗带出去溜一溜，好吗？
__________________________________

5 . —You’d better ________ over someone else’s plate for food. It’s too impolite.
—Sorry, I ________.

A．not to reach; will

B．not to reach; won’t

C．not reach; will

D．not reach; won’t

6 . —Mum, I’ve signed for a big box by SF Express(顺丰快递). What’s in it?
—I’m not sure. It ________ be a present from your aunt.

A．might

B．must

C．should

D．will

7 . 骑行能帮助我们节能而且不会污染空气。
Cycling can help us save energy and _______   _______ cause air pollution.

8 . AI will surely play an important role in our future lives. But it ________ be used in a proper way.

A．can

B．will

C．need

D．must

9 . —Must we hand in the exercise when the class is over, sir?
—I’m afraid so. You _________ finish it in fifteen minutes.

A．can

B．may

C．will

D．have to

10 . —Don’t use my computer please.
—Sorry! I ________ do it again.

A．can’t

B．must not

C．won’t

D．should