【题目】补全对话。
A: 1. ________
B: Yes, please. I want to buy a cap. 2. ________
A: I'll show you. 3. ________
B: 4. ________
A: It's thirty yuan.
B: I'll take it.
A: Okay.
B: 5. ________
A: You're a good boy.
B: Thanks.
A. How much is it?
B. This way, please. Here they are.
C. Where are the caps?
D. I don't use that bag. I have a shopping bag.
E. May I help you?
A. How much is it?
B. This way, please. Here they are.
C. Where are the caps?
D. I don't use that bag. I have a shopping bag.
E. May I help you?