问题描述：
Do you mind if I open the window?
-____,but I've caught a bad cold.
A.No.not at all B.Yes,of cause not
C.Yes,please D.I'm sorry
请多多指教
-____,but I've caught a bad cold.
A.No.not at all B.Yes,of cause not
C.Yes,please D.I'm sorry
请多多指教
问题解答：
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