问题描述: he was seen--into the room .这个空 因该是 came 还是 come 还是 to come 还是 comes摆脱了、 1个回答 分类:英语 2014-09-24 问题解答: 我来补答 英语教师回答: to come 主动句 see sb. do sth 看见某人做某事 省略to 的动词不定式在被动语态中to要用回来 be seen to do sth 类似的还有 主动: i make him work all day.被动: He is made to work all day. 展开全文阅读