题目内容
14.When crossed the road,the old man was knocked over by a car.crossed改为crossing.分析 在穿过马路时,这个老人被一辆车撞倒了.
解答 答案:crossed 改为 crossing.考查非谓语动词做状语.因为 cross和主语the old man之间是主动关系,做时间状语,所以用crossing.
点评 考查非谓语形式,应判断其与主语是主动还是被动的关系,再确定答案.
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