题目内容：

补全对话

A: Good morning, sir.   _______1.________?

B: I’d like to buy a white shirt. Do you have any white shirts?

A: Yes.   _______2.___________?

B: I want Size M.

A: Here you are.

B: Can I try it on?

A: Sure. Is it all right?

B: Yes. I like it very much.   _______3._______?

A: 296 yuan.

B: That’s a bit expensive. Do you have any other kind? I want a cheaper one.

A: What about this one? It is only 108 yuan.

B: OK. _______4._______. Here is the money.

A. Here you are. Goodbye, sir.

B.       5.        .