题目内容：

句型转换（8分）

1.She has piano lessons twice a week.（对划线部分提问）

__________ __________ does she have piano lessons?

2.I did my homework yesterday. (改为否定句)

I __________   ___________ my homework yesterday.

3.We have Chinese lessons on Monday, Wednesday, Thursday and Friday.（变同义句）

We have Chinese lessons ________   _______ a week.

4. 吃太多的垃圾食品对我们没好处。(完成译句)

It’s not good for us to eat ___________ __________ junk food.