The number of the teachers     two hundred in our school.
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A
is
B
are
C
be
D
were
推荐题目
______visited the Shanghai World Expo is sure to tell you the place is worth visiting twice.
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A
Those who have
B
Whoever has
C
Those who has
D
Whoever have
--Why does the lake smell terrible?    ---Because large quantities of water ______.
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A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted