选择所给句子填在横线上，组成对话，然后将对话连起来组成一段长对话。

A. Ten yuan.    

B. What about the yellow one?

C. I’d like a vest.  

D. What colour?    

E. Thank you

1. A: Can I help you?   B:             

2. A: How much is it?   B:             

3. A:                 B: How nice!

4. A: Here you are.   B:             

5. A:                 B：White, please.