[题目]She is busy her homework.A. do B. doing C. does D. Did 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】She is busy_______ her homework.

A. do B. doing C. does D. Did

【答案】B

【解析】

试题分析：句意：她忙着做她的家庭作业。do 做，动词原形；doing 现在分成形式；does第三人称单数形式；did是过去式。这里be busy doing sth.是固定的句型，忙于做某事，故应选B。

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