You______furtherinto&n

发布时间：2020-07-12 13:52:42

You ______ further into this matter. If so, you ______ know who did it now.A.must have enquired; willB.should have enquired; wouldC.could have enquired; willD.shouldn’t have enquired; would

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B解析考查语法should have done 本应该做某事而未做，后面用虚拟语气  
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