◎ 题干
They do their homework by                  . 

A. them                    
B. they    
C. their                      
D. themselves
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“They do their homework by.[ ]A. them B. theyC. their D. themselves…”主要考查了你对  【反身代词】  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。