考试
2020-03-16 06:21:33

3026 This method saved half th

题目描述

This method saved half the labor that______to combat the insects separately.A.would not ha



This method saved half the labor that______to combat the insects separately.

A.would not have been needed

B.would have been needed

C.would not have needed

D.would have needed

请帮忙给出正确答案和分析,谢谢!

答案解析

B本题综合考查虚拟语气和被动语态。从句与

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