◎ 题干
—What's Mary doing?  
—_______.
[     ]
A. She's a bank clerk
B. She likes reading
C. She is singing  
D. She does housework after school
◎ 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's Mary doing? —_______.[ ]A. She's a bank clerkB. She likes readingC. She is singing D. She does housework after school…”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。