补全对话，每空一词。

A: May I  you, madam?

B: Yes, please. Do you  a yellow dress like this?

A: How about this one?

B: Well, I like it. Can I try it ?

A: Sure. The changing room (试衣间) is over there. You  very nice.

B: How  is it?

A: The dresses are on sale for 30% off. This one is only 70 yuan.

B: It's fine. I'll  it.