◎ 题干
---So hard_ in the past few months that he has made great progress in English.
---I can see that, only a few mistakes _____ in this exam.
A.has he worked; did he makeB.he has worked; he made
C.he has worked; has he madeD.has he worked; he made
◎ 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“---So hard_ in the past few months that he has made great progress in English. ---I can see that, only a few mistakes _____ in this exam.A.has he worked; did …”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  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。