Every student as well as all the teachers ____ required to be at the bus station at 6:30 tomorrow.
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A
are
B
is
C
were
D
was
推荐题目
While building a tunnel through the mountain, _______.
#86096
A
an underground lake was discovered
B
there was an underground lake discovered
C
a lake was discovered underground
D
the workers discovered an underground lake
As we all know, smoking ___________ people’s health.
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A
is harmful to
B
do harm fo
C
does harmful to
D
harm