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
推荐题目
They can find whatever they need in the supermarket, ______ is always busy on Sundays.
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A
which
B
when
C
where
D
who
That George will marry Alice, ______ has not been announced yet, has spread around.
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A
that
B
which
C
what
D
who
My close friend Amy was admitted to Oxford University, ______ came as no surprise.
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A
that
B
which
C
it
D
where
Have you ever noticed the house, ________ windows are always closed?
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A
where
B
which
C
when
D
whose
Now everyone is concerned about how to conquer the economic crisis, __________is very important for us to preserve our standard of living．
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A
which success
B
its success
C
the success of which
D
the success of it