◎ 题干
— What are you doing?
— _____.
[     ]
A. I'm reading a book.  
B. I often read books.    
C. I like reading 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 you doing?—_____.[ ]A. I'm reading a book. B. I often read books. C. I like reading books.…”主要考查了你对  【现在进行时,现在分词】  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。