题目内容
（请给出正确答案）
提问人：网友Dume2020
发布时间：2022-01-07
[主观题]
You( )all those calculations! We have a computer to do that sort of thing.
You（)all those calculations! We have a computer to do that sort of thing.
A、needn't have done
B、shouldn't have done
C、must not have done
D、can not have done
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