◎ 题干
---I was trying to carry out the plan, but I failed.
---Well, you _____, for we were uncertain it would do ____.
A.needn’t do that, in factB.needn’t have done, in effect
C.needn’t have, in practiceD.needn’t, in time
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---I was trying to carry out the plan, but I failed.---Well, you _____, for we were uncertain it would do ____.A.needn’t do that, in factB.needn’t have done,…”主要考查了你对  【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。