题目内容：

补全对话。

A. Seventeen,

B. Yes, I do.

C. How much are they?

D. I want to take these red pants.

E. Do you have black bags?

A:1.

B: Yes,I do. I have black bags, red bags and bluebags. Do you like these?

A: Yes, I do.2.

B: They' re twenty nine dollars.

A: Do you have pants?

B:3.These red pants are seven dollars.

A: And those pants on the table? How much arethey?

B:4.And those black pants are 12 dollars.

A:5.