A. This is a book. B. That's a book. C. It's a book. D. I'm a book.
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◎ 解析
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◎ 知识点
根据n多题专家分析，试题“单项选择。— What's this ? — ______. [ ]A. This is a book. B. That's a book.C. It's a book.D. I'm a book. …”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。
◎ 相似题
与“单项选择。— What's this ? — ______. [ ]A. This is a book. B. That's a book.C. It's a book.D. I'm a book. ”考查相似的试题有：
