He has made another wonderful discovery, _____ I think is of great importance to science.
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A
which
B
what
C
when
D
that
推荐题目
The young manager is well known for his problem-solving skills, ________ is important for a successful leader.
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A
it
B
that
C
what
D
which
Please don’t get too close to the building______ roof is under repair.
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A
which
B
of which
C
whose
D
that
He has lost the key to the drawer _____ the papers are kept.
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A
where
B
on which
C
under which
D
which
When he came back from abroad, John told his parents about the cities and the people ____ he had visited.
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A
who
B
which
C
where
D
that