1 . People think the factory will ________ (pollute) the river.

2 . According to the traffic law，children under 12________ride bicycles on the road．

A．won't

B．wouldn't

C．needn't

D．mustn't

3 . — My Chinese book is nowhere to be found. Where ______ it be?
— Is it under the sofa?

A．could

B．must

C．will

D．need

4 . I can’t understand Japanese. Will you t________ for me?

5 . — Must I take a raincoat with me?
— No, you ________. It won't rain today.

A．mustn't

B．can't

C．won't

D．don't have to

6 . — Mum, I've signed for a big box by Future Express(快递).What's in it?   
— I'm not sure. It        be a present from your brother.

A．might

B．must

C．should

D．will

7 . My head teacher has made a set of rules to show what we students ________ and ________ not do in class.

A．must; must	B．will; will
C．need; need	D．might; might

8 . —Will you please            so much noise, Dongdong?
—Sorry. I won't.

A．make

B．not to make

C．to make

D．not make

9 . Answering the phone while driving may lead to death, so ________do it.

A．don’t

B．can’t

C．won’t

D．mustn’t

10 . —Come on, Mum. What's the matter with the little dog? It doesn't eat anything.
—Oh! It ___________ be ill. Let's take it to the animal hospital.

A．can

B．must

C．need

D．will