The river smells terrible.People must ___ dirty things into it.这个问题可以用主动语态吗?
问题描述：
The river smells terrible.People must ___ dirty things into it.这个问题可以用主动语态吗?
答
1 have thrown / put / poured -------你的句子本来就是主动语态.
2 stop putting / pouring / throwing为什么stop 后面不加from?你好。如果是-- -- from - ---，就必须是：we must stop people from putting dirty things into the river stop sb from doing sth ------不让某人做某事