Over 20% of the students at that school _____ the habit of smoking, which is beyond imagination.
#85637
A
is
B
are
C
has
D
have
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―It’s snowing outside. Why not ____________ it.―Good idea! 
#43854
A
to stop to watch
B
to stop watching
C
stop watching
D
stop to watch
Mary is one of the brightest students who_________ from New York University.
#86278
A
is graduated
B
have graduated
C
has graduated
D
are graduated