◎ 题干
—Could I borrow your computer. Bob?
—Sorry, I am ______ it.
[     ]
A. taking out
B. turning on
C. working 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 borrow your computer. Bob?—Sorry, I am ______ it. [ ]A. taking out B. turning on C. working 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。