◎ 题干
He __________ well in the exam last week, so he __________ hard now.
A. did, studied    
B. didn't, is studying   
C. didn't do, is studying
D didn't, studying   
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He __________ well in the exam last week, so he __________ hard now.A. did, studied B. didn't, is studyingC. didn't do, is studyingDdidn't, studying…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。