---I was trying to carry out the plan, but I failed.---Well, you _____, for we w

---I was trying to carry out the plan, but I failed.---Well, you _____, for we w

题型:不详难度:来源:
---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
C
解析

试题分析:句意:我正尽力的实施这个计划,但是我失败了。你本不必这样做的,因为我们不确定在实践中它是否有效。needn’t have done sth本不必做某事,而实际做了。
in practice在实践中   in fact实际上。故选C
点评:情态动词+ have done 是高考语法重点:
(1) should (not) / ought (not) to have done本(不)应该做某事,但却没有做或做了,含有责备或后悔之意。
(2) could have done本来能够做某事但未做。
(3) needn’t have done本没有必要做某事但却做了。要注意needn’t do则表达“没有必要去做某事”,时间上应该是现在或将来。
(4)would (not) have done本来(不)会发生某事,但却(发生了)或没有发生。常用于虚拟条件句或含蓄虚拟条件引导的虚拟语气,表示对过去所发生事情结果的假设。
(5) might have done表示“本来可能……”,但实际上没有发生的事。
举一反三
Sometimes the boy is a bad-tempered child, but he ____ be quite lovely when he wishes.
A.mayB.canC.shallD.must

题型:不详难度:| 查看答案
Do you believe drinking a glass of wine every day ______ reduce the danger of heart diseases?
A.couldB.must C.needD.should

题型:不详难度:| 查看答案
If you ______ talk about it with me, please wait till I finish my work at hand.
A.canB.mayC.mustD.should

题型:不详难度:| 查看答案
— It’s hard to believe that Jack ________ have fought with the policeman.
— Yes. If one ________ ask for trouble, it can’t be helped.
A.would; willB.should; mustC.must; mayD.need; dare

题型:不详难度:| 查看答案
--- The drought situation has been severe these days.
--- If it had rained even a drop, things would be much better now and many crops ____.
A.wouldn"t dieB.would die
C.wouldn"t have died D.would have died

题型:不详难度:| 查看答案
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