题目内容:
A: There seems to be something wrong with the air-conditioner in our flat.B:__________ A.Be patient. I' ll go to your room when I am free.
B.It' s not my fault. ! feel sorry for it.
C.I do beg your pardon for the inconvenience.
D.I' m awfully sorry for that. I' ll see to it right now.
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