题目内容：

根据上下文和你的实际情况把下面的对话补充完整。

A: 1.. ___________________ ?

B: Yes, please. I need a sweater for school.

A: OK. 2.. _____________________?

B: Blue.

A: 3.. ___________________?

B: It looks nice. 4.. ___________________?

A: Nine dollars.

B: I’ll take it.

A: Here you are.

B: 5.. ______________.

A: You’re welcome.