补全对话
A: Good morning. ____?
B: OK. I want some apples.
A: Apple? All right, here you are.
B: ____. Do you have any lemons here?
A: Yes. ____?
B: I want two kilos.
A: Sure. Here you are.
B: ____?
A: Let my see. Fifteen yuan. Here is the money.
A: Thank you.
B: ____.
