题目内容
The 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
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题目内容
The 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