many nice coats! I can't decide which one to buy.

B: ____

A: Oh, it looks nice. ____

B: Let me see. It's more than 400 yuan.

A: It's too expensive. I prefer the pink one. ____

B: ____I know you want to appear special.

A : Good idea ! ____

B: It's a silk one.

A: Perfect. I'll try it on.

A: What's it made of?

B: How about the green one?

C: What do you think of it?

D: It’s OK, but why not try on a Chinese Tang costume?

E. How much is it?

下列各组词语中，划线字的注音全都正确的一组是（）

用含有字母的式子表示一共贴邮票的张数____．

如果a=4，b=5，x=8，一共贴邮票____张．