You all _______________those calculations! We have a computer to

分类: 笔试(00004) 发布时间: 2024-08-16 05:25 浏览量: 2
You all _______________those calculations! We have a computer to do that sort of thing.
A、must not have done
B、needn’t have done
C、can not have done
D、shouldn’t have done
【正确答案】:B
【题目解析】:第二句话表明原来进行的计算根本没必要。