1、She often does her homework after school．（变一般疑问句）
Does she often do her homework after school?
2、I think you are a good student．（变否定句）
I don't think you are a good student.
3、What can I do for you?（同义句）
Can I help you?
4、What＇s the price of the books?（同义句）
How much are the books?
5、Mary often rides a bike to go to school．（同义句）
Mary often goes to school by bike.
6、What＇s your age?（同义句）
How old are you?
7、Jim sits on Bill＇s left．（同义句）
Bill sits on Jim's right.
8、My friend＇s birthday is on may 15＾th （on may 15＾th为划线部分,对划线部分提问）
When is your friend's birthday?
9、We have six classes every day．（six为划线部分,对划线部分提问）
How many classes do you have every day?