句型转换
She has piano lessons twice a week.（对划线部分提问）
__________ __________ does she have piano lessons?
I did my homework yesterday. (改为否定句)
I __________   ___________ my homework yesterday.
We have Chinese lessons on Monday, Wednesday, Thursday and Friday.（变同义句）
We have Chinese lessons ________   _______ a week.
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.