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题目内容
（宿州学院大学英语）
5
A: Smoking is forbidden in the workshop, please stop it. B: Sorry, ______.
A、
I am not sure
B、
I have no idea
C、
I do know
D、
I did not know
参考答案
5
A: Smoking is forbidden in the workshop, please stop it. B: Sorry, ______.
A、
I am not sure
B、
I have no idea
C、
I do know
D、
I did not know