a stranger was noticed enter the building just now 为什么是enter

问题描述:

a stranger was noticed enter the building just now 为什么是entering
1个回答 分类:英语 2014-12-15

问题解答:

我来补答
这是 sb be seen/heard/ watched/noticed doing sth 的固定用法
某人被看到在做某事.
 
 
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