问题
1The river smells terrible.People_______ dirty things into it .
A: must stop to throw
B: must stop from throwing
C:must be stopped to throw
D: must be stopped from throwing
B: must stop from throwing
C:must be stopped to throw
D: must be stopped from throwing
正确答案是：
同类题型
It requires ____ your willingness to do the job. It also requires a lot of mental effort.
Did you enjoy the movie—Sure，it is ________ a beautiful country town with a variety of cultures.
youknown each other for long－Not verylong, ____________ we started to work in the company