◎ 题干

— What are these? 
—            .

[     ]
A. This is a book.
B. That's a book.
C. They're books.
D. These are books.
◎ 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“— What are these?— .[ ]A. This is a book. B. That's a book.C. They're books.D. These are books. …”主要考查了你对  【特殊疑问句】  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。