按要求完成句子。

 A. What size do you want?             B. It's fifty yuan.

 C. Can I help you?              D. Yes, we do.      E. but where is the store?

Amy: Let's go to the store.

Ken: OK, ____.

Amy: Turn left. Then walk straight. It's on the right.

Ken: Ok. Let's go.

Assistant: ____.

Amy: Yes, I want a dress. Do you have any dresses?

Assistant: ____.

Amy: How much is it?

Assistant: ____.

Amy: Oh, it's cheap.

Assistant: ____.

Amy: Medium. Oh, it fits me. I'll take it.