把句子的编号填入到正确的地方，使对话通顺完整。

A. Oh, it's so sour!         B. No. This orange is very sweet. C. OK. Let me try.           D. Eight, please. E. Can I have some oranges, please?

(Tomorrow is Sunday. Mrs. Lee wants to have a picnic. Now she is in the fruit shop.)

Shop assistant: May I help you?

Mrs. Lee:

Shop assistant: Sure. Taste this orange. How does it taste?

Mrs. Lee: I don't like it.

Shop assistant: I'm sorry. Taste this one, please.

Mrs. Lee:

Shop assistant: Is it sour, too?

Mrs. Lee: I like it.

Shop assistant: How many oranges do you need?

Mrs. Lee: How much are they?

Shop assistant: Twelve yuan.