根据下面的对话情景,在每个空白处填上一个适当的句子,使对话的意思连贯、完整。
A:
B: Yes, please. I want to buy a sweater.
A: Which one would you like?
B: I don't like black. Do you have other colours?
A: Other colours? Oh, yes. We have blue, yellow and white ones.
B:
A: Yellow? Certainly.
B:
A: 90 yuan.
B: OK. Here's the money.
A: Thank you.