顾客投诉时为什么回答im sorry to hear that,而不能never mind

顾客投诉时为什么回答im sorry to hear that,而不能never mind im so sorry to hear that im sorry （）（hear）that.他已经听到了为什么不用hear的过去式呢?答案是to hear 为什么加to i'm sorry (to hear)that为什么填to hear I am not feeling well的回答A: I am sorry to hear that.B:Never m 英语翻译haha okok umh im sorry to hear that how;s weather in chi i‘m sorry to hear that的回答 I'm sorry to hear that.为什么要加to? Iam sorry to hear that? We are -------(raal)sorry to hear that. i am sorry to hear that.是什么意思? I'm sorry to hear that .作文