I have many foreign friends,         some are businessmen. 
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A
of them
B
from which
C
who of
D
of whom
推荐题目
At present, we are studying a total of nine subjects, ________ I think is physics.
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A
of them the most difficult
B
and the most difficult of which
C
the most difficult of them
D
the most difficult of which
The average rainfall in Ningxia is small, _____ makes the climate here is drier ______ with other cities in China.
#78717
A
that; compared
B
which; comparing
C
which; compared
D
that; comparing