◎ 题干
Mother isn't _______ a book, but she's_______ TV.

A. seeing; seeing        
B. looking at; watching
C. watching; looking    
D. reading; watching
◎ 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“Mother isn't _______a book,but she's_______ TV.[ ]A. seeing; seeing B. looking at; watchingC. watching; looking D. reading; watching…”主要考查了你对  【现在进行时】  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。