◎ 题干
He ________ his homework ________ the weekend.
[     ]
A. don't do, at
B. doesn't do, at
C. isn't do, on
D. does, of
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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 ________ his homework ________ the weekend. [ ]A. don't do, at B. doesn't do, at C. isn't do, onD. does, of …”主要考查了你对  【介词】【主谓一致】  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。