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问题描述:

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Thank you.
1 Good morning.Can I help you?
May I have five biscuits?How much are they?
This is three yuan.Here you are.
Yes,and three yuan,please.
Good morning.

Good morning
Good morning. Can I help you?
May I have five biscuits? How much are they?
Yes, and three yuan, please.
This is three yuan. Here you are.