The river smells terrible. People_______ dirty things into it .
#63313
A
must stop to throw
B
must stop from throwing
C
must be stopped to throw
D
must be stopped from throwing
推荐题目
 My sister met him at the street yesterday afternoon, so he __________ your lecture.
#63076
A
shouldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
couldn’t have attended
People who drink wine ______ to drive after May Day. 
#77648
A
don’t allow
B
isn’t allowed
C
mustn’t allow
D
mustn’t be allowed