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一道英语选择题...虚拟语气

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一道英语选择题...虚拟语气
If the whole operation ______ beforehand, a great deal of time and money would have been lost.
正确答案是have taken in,请问是不是答案错了?与would have done对应的怎么可能是have done.
这是个虚拟语气.因为显然"a great deal of time and money would have been lost"这个事情没有发生.而且这是一个对过去的虚拟.结构为"if +过去完成时,xx情态动词的过去分词+完成时.".
这道题的选项有哪些
再问: 另外三个是was not planned, has not been planned和were not planned。我选了第三个。
再答: 我觉得应该是,had not been taken in,你这个答案确实有问题,刚我在网上搜了一下,原题是 If the whole operation ______ beforehand,a great deal of time and money would have been lost. a.was not planned b.has not been planned c.had not been planned d.were not planned 答案选的C,希望能帮到你,你可以找个时间和老师讨论一下。