根据对话内容，用适当的单词补全对话。

A: Good afternoon. I help you?

B: Yes, . I want a sweater.

A:  do you want?

B: Yellow.

A: Here . Is that all?

B: No. Do you have pants?

A: Yes.

B： are these things?

A: Let me see. Twenty dollars, please.

B: I'll   them. Thank you.

A: You're .