( )28.Last winter I often saw some people -------- off the s

学习时间:2026-06-05 00:56:13 阅读：7688

( )28.Last winter I often saw some people ________ off the snow in the street.A.to sweep B.swept C我听别人说答案好像是B.为什么啊.不是see sb doing sth 跟often有关系吗?

温柔的秋天

2026-06-05 00:56:13

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答案：sweep。see sb doing sth 表示“看见某人正在做某事”,动作正在进行,而see sb do sth。表示“看见某人做了某事”,动作已经结束,完成,句中有often,所以这里用动原sweep。