◎ 题干
— Why are you so busy, Mike?
— I ____ a novel these days.
[     ]
A. was writing
B. wrote
C. am writing
D. have written
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— Why are you so busy, Mike? — I ____ a novel these days. [ ]A. was writing B. wroteC. am writingD. have written …”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。