题目内容:
Speaker A: There seems to be something wrong with the air-conditioner in our apartment.Speaker B : __________ A.I' m awfully sorry for that. I' ll see to it fight away.
B.I do beg your pardon for the inconvenience.
C.I just don' t know how to apologize for it.
D.It' s not my fault. I feel sorry for it.
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答案解析: