◎ 题干
—Peter, I haven’t seen you for a long time.
—Oh, I _______ a book these days.
A. am writing         B. have written       C. wrote
◎ 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“—Peter, I haven’t seen you for a long time. —Oh, I _______ a book these days.A. am writingB. have writtenC. wrote…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。