题目内容：

句型转换（每空2分，共10分）

1.These are her pens. (改为一般疑问句)

            her pens?

2.What can I do for you?(改为同义句)

Can I           ?

3.I have a ping-pong bat. (改为否定句)

I          a ping-pong bat.

4. This blue shirt is nine dollars.(对划线部分提问)

__________  __________ is this blue shirt?

5. Are those your grandparents?

Yes,________ __________.(作肯定回答)