1 . 我们去看爷爷奶奶好吗?
_________   _________ go and see our grandparents?

2 . The man making the speech ________ be more than 60 years old. Look at his white hair.

A．couldn’t

B．must

C．needn’t

D．shall

3 . Let’s clean our bedroom, ______________? (完成反意疑问句)

4 . Let’s go to forests to see tigers. （改为反意疑问句）

Let’s go to forests to see tigers, ______ ______?

5 . —Where are we going to meet?
— ________ meet at the school gate?

A．Would you like

B．Let’s

C．How about

D．Shall we

6 . —Have you heard that some bad things would happen in 2012?
—Don’t worry! The news ________ be true.

A．mustn’t

B．may not

C．needn’t

D．shall not

7 . Everybody, listen to me. You can’t be too careful with the machines and you ________ touch any of them.

A．mustn’t

B．needn’t

C．couldn’t

D．shan’t

8 . —Excuse me, when are we going to have a picnic?
—I’m not sure. Ask our monitor, please. He ________ know.

A．need

B．can

C．may

D．shall

9 . —How will the weather be this afternoon?
—It ________ be fine. Who knows? It’s always changing quickly.

A．must

B．will

C．may

D．shall

10 . Let's go along the lake. __________ go along the lake？