---I was trying to carry out the plan, but I failed.---Well, you , for we were u
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---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 fact
B.needn’t have done, in effect
C.needn’t have, in practice
D.needn’t, in time
试题答案
C
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