Ifyou_____himyes

发布时间：2020-07-15 16:33:43

If you _____ him yesterday, you _____ what to do now.A.asked … would knowB.had asked … would have knownC.asked him … knowD.had asked … would know

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D解析从句与过去事实相反用had done，主句与现在事实相反用would do。
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