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题目内容
（山西财经大学英语3）
Frankly speaking, I am not sure whether I ________ this in the old days with that kind of equipment, which looks quite odd and ridiculous.
A. need have done
B. would have done
C. must have done
D. should have done
A. need have done
B. would have done
C. must have done
D. should have done
参考答案
