写一篇有关购物的对话,内容包括颜色,价钱等方面的英语作文

A:Can I help you?
B:Yes,please.I want a shirt.
A:What color do you want?
B:Blank.
A:What about this one?
B:It is so nice!I will take it.How much is it?
A:50 yuan.
B:Here is money.
A:Thank you.
B:You are welcome.
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