◎ 题干
─Could I use your computer?
─Sorry. I am _____ it.

A. taking out
B. turning on
C. working on
D. depending on
◎ 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“─Could I use your computer?─Sorry. I am _____ it. [ ]A. taking out B. turning onC. working on D. depending on …”主要考查了你对  【动词短语】  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。