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

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( )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?

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.

( )28.Last winter I often saw some people ________ off the s I saw some people dancing in the park.I saw some people to b ________ have you been ________ I saw you last time? 改错I often saw the girl running along the road last month. Last year,some poor people had hardly ___the severe winter. 选择填空（）1.--I often saw then ( ）on the playground last year A While i was drawing,I saw some people ___by the river. A sit I often play ( ) the snow in winter. I saw some people sitting at the back of class,listening to I saw some people ___ at the gate of our school i often saw the children () football. When I walked past the park,I saw s ome people(