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题目内容
（湖北师范大学大学英语）
You （） all those calculations! We have a computer to do that sort of thing.
Aneedn.t have done
Bmust not have done
Cshouldn.t have done
Dcan not have done
Aneedn.t have done
Bmust not have done
Cshouldn.t have done
Dcan not have done
参考答案