用所给词的适当形式填'空。

1.  I think _____ (China) food is very good.

2.  The boy often _____ (play) computer games on Sunday.

3.  _____ (this) arc my new books.

4.  There are two_____ (tomato) on the desk.

5.  He can play the piano _____ (good).

6.  My _____ (one) class is at 8:00.

7.  Let's_____ (play) football.

8.  Can I have a look at _____ (you) picture.

9.  Tom and Kate _____ (be) in the classroom.

10.  _____ ( thank ) for helping me.