Look!Youhavefailedagain．You_____

发布时间：2020-07-28 03:42:07

Look!You have failed again．You ________ hard．However, if you study hard from now on, you will graduate with honors, I suppose．A.should studyB.mustn't have studiedC.should have studiedD.might have studied

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C解析should have done意为“本应该做”含有未做的意思。
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