—What do you think of teaching, Bob?—I find it fun and challenging. It is a job ______ you are doing something serious but interesting.
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A
where
B
which
C
when
D
that
推荐题目
The Science Museum, ______ we visited during a recent trip to Britain, is one of London’s tourist attractions.
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A
which
B
what
C
that
D
where
In one corner of the garden there stands a little board，_______“Keep off the grass．”
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A
On which writes
B
it says
C
on which is read
D
which reads
My brother，______ his classmates often made fun a few years ago，is now studying in England．
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A
of whom
B
who
C
about whom
D
whom
Saving and recycling are long-term projects _______ determination matters a great deal.
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A
that
B
which
C
whose
D
where
The company has recently taken on fifty new workers some of_______ have just graduated from university.
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A
which
B
them
C
those
D
whom