As everyone knows, rubbish _______ everywhere.
#44969
A
need be thrown
B
mustn’t be thrown
C
can’t throw
D
may throw
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The river smells terrible. People_______ dirty things into it .
#44850
A
must stop to throw
B
must stop from throwing
C
must be stopped to throw
D
must be stopped from throwing
Many accidents ______ by careless drivers last year.
#44988
A
are caused
B
were caused
C
have caused
D
will cause