The teapot was used for ________ water hot.

[　　]

--- Are they going to return soon?

--- ________?

[　　]

A．Yes, I think so.

B．Of course.

C．I'm afraid I couldn't do it well.

--- I'd like to have a talk with the headmaster.

--- ________

[　　]

A．You're welcome.

B．I'll be glad to.

C．I'm afraid he's rather busy.

---- Could you come help me tomorrow?

---- ________

[　　]

A．With pleasure.

B．I don't want to trouble you.

C．How kind! Thank you.

Look! The long stick with a red flag ________.

[　　]

A．is knocked in

B．knocks in

C．is knocked into

D．knocks into

Who writes the best in English ________ you and William? William ________.

[　　]

A．among…does

B．between …does

C．among …is

D．between …is

The population of China ________large.

[　　]

What are you going to be when you ________? A doctor .

[　　]

A．grow

B．grow up

C．will grow

D．will grow up

By the end of next year, I ________ fifteen.

[　　]

The accident ________to him at three this afternoon.

[　　]

A．was happened

B．happened

C．has happened

D．has been happened