补全对话。

A: What can I do for you, Madam?

B: 1. ________

A: OK. Wc have apples, grapes and bananas on sale.

B: 2. ________

A: F'ive yuan a kilo.

B: I'll take nine apples.  3. ________

A: Three kilos. 4. ________

B: I'd like to buy some grapes for my grandparents. How much are the grapes?

A: Well, the green ones are three yuan a kilo and the red ones are four yuan a kilo.  

B: Two kilos of the red ones, please.

A: All right.

B: 5. ________

A: Thank you.