题目内容
The children _____ on the playground when I left school.
A.were playing
B.are playing
C. was playing
A.were playing
B.are playing
C. was playing
A
试题分析:句意为:我离开学校的时候孩子们正在操场玩耍。本句表示的是过去某一时刻或某段时间正在进行或发生的动作,应用过去进行时。故选A。
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