School is over．Some students are busysweepingthe floor. 题目和参考答案——青夏教育精英家教网—

题目内容

9．School is over．Some students are busysweepingthe floor，（sweep）

分析放学了，一些学生正忙着打扫地板．

解答答案：sweeping
联系语境，根据关键部分are busy…并结合提示词为动词sweep（打扫），可知应该用固定表达be busy doing sth忙于做某事；所以此处应该用sweep的动名词sweeping，这里指忙着扫地板．符合意义及用法．故填：sweeping

点评此题考查固定短语的用法．做题时联系语境并根据关键词利用固定用法即可做出正确答案．

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