◎ 题干
— Mary, could you help me?
— Wait a moment. I _____.
[     ]
A. read a book
B. did my homework
C. was watching TV
D. am cooking dinner.
◎ 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“— Mary, could you help me? — Wait a moment. I _____. [ ]A. read a book B. did my homework C. was watching TV D. am cooking dinner. …”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。