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(单选题) —Thanks for helping me with my homework.
—___________________________(本题3.0分)
A、 No,you needn.t.
B、 It.s my duty.
C、 Oh,it was no trouble at all. I.m glad I could help.
D、 Nothing serious.

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出自：河南工业大学-大学英语（二）(专升本)

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