A:Hello,Mary.__(!)are you?B:i'm fine.Thank you ,And you A:i'm _(2),too.Thanks.补充对话

问题描述:

A:Hello,Mary.__(!)are you?B:i'm fine.Thank you ,And you A:i'm _(2),too.Thanks.补充对话

how
fine

Hello,Mary.How are you?
I'm fine.Thank you,and you?
I'm fine too.Thanks.