The policeman saw some boys______in the street and stopped t
The policeman saw some boys______in the street and stopped them.
A playing B to play C played D since
最好有理由
A playing B to play C played D since
最好有理由
赞 janechaochao 幼苗
共回答了19个问题采纳率：89.5% 举报
A playing
see sb doing sth.
see sb do sth
都表示看见某人做某事,前者表示偶然性,后者表示经常性
比如：I often hear him sing.我经常听见他唱歌（经常性）
I heard him singing yesterday.我做天听见他唱歌了（偶然性）
同类的动词还有（watch,hear等等）
see sb doing sth.
see sb do sth
都表示看见某人做某事,前者表示偶然性,后者表示经常性
比如：I often hear him sing.我经常听见他唱歌（经常性）
I heard him singing yesterday.我做天听见他唱歌了（偶然性）
同类的动词还有（watch,hear等等）
1年前
1
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