◎ 题干
These picture books are _________.

[     ]

A. their
B. they
C. them
D. theirs
◎ 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“These picture books are _________. [ ]A. their B. they C. them D. theirs …”主要考查了你对  【物主代词】  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。