读短文,怎么写与售货员之间的对话．

题目

读短文,怎么写与售货员之间的对话．
I want to buy a new blue sweater for just 20 dollars.But the
salesgirl gives me one for 60 dollars.I don't like it,then the
salesgirl gives me the right one.
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答案

A Can I help you?B I want to buy a blue sweater.A Here,there is a kind of sweater.B what price is it?A 60 dollars.B It is too expensive!Can you tell me which kind is cheaper?A Oh,there is a kind of sw...