请说明为什么?I saw him ----the room,but I didn't know when he-----.A going into;left there B go into;left there C going into; left to there D go into;left for there

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 04:44:13
请说明为什么?I saw him ----the room,but I didn't know when he-----.A going into;left there B go into;left there C going into; left to there D go into;left for there

请说明为什么?I saw him ----the room,but I didn't know when he-----.A going into;left there B go into;left there C going into; left to there D go into;left for there
请说明为什么?I saw him ----the room,but I didn't know when he-----.
A going into;left there B go into;left there C going into; left to there D go into;left for there

请说明为什么?I saw him ----the room,but I didn't know when he-----.A going into;left there B go into;left there C going into; left to there D go into;left for there
B
看到的是他进入房间的过程,所以是do
二离开后的there是副词,所以不用for

A see sb doing he left there 指的是他从那里离开 明白吗

see somebody doing when he left there句型 不解释

B 我(刚才)看见他走进了房间,但我不知道他是什么时候离开那儿的。
第一空是全过程,所以不能用doing。