多项选择题
A.I’m awfully sorry. B.I’m very sorry about... C.I’m really sorry about… D.I’m very sorry.
A.Thanks a lot. B.It’s very kind of you to help us. C.Thank you very much. D.Thanks.
A.How do you do？ B.How are you？ C.Fine，thank you. And you？ D.Nice to meet you.