◎ 题干
My sister _____ her homework well.
[     ]
A. doesn't
B. isn't  
C. isn't do
D. doesn't do
◎ 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“My sister _____ her homework well. [ ]A.doesn'tB.isn'tC.isn't doD.doesn't do…”主要考查了你对  【实义动词】【助动词的单数第三人称形式】  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。