从方框中选择恰当的句子，将对话补充完整。

A．Do you want it for your teacher?

B．How much is it?

C．Can I help you?

D．What is her favourite colour?

E. Can I look at that green one?
F. What about this one?
A: Good morning. _________1_________
B: Yes，I’d like a birthday card.
A:_________2________     
B: No，I，d like one for my mother.
As What a good daughter! _________3________
B: It looks nice. But my mother doesn’t like red.
A:_________4________
B: She likes blue and green._________5________
A: Of course. Here you are.
B : It’s nice. It’s my mother’s favourite. _________6________
A: Two yuan, please.   
（1）_______      （2） ______    （3） _______     （4） _______      （5） _______    （6） _______