英语语法问题The river smells terrible People must _______dirty thi
英语语法问题
The river smells terrible People must _______dirty things into it
be stopped to throw
be stopped from throwing
be prevented to throw
be kept throwing
选什么 这道题能讲讲么 对选项也有问题
stop 不是 指的是现在做的事 是进行时态么 可是看题好像并不是进行时态