Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.
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who
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where
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which
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of which
推荐题目
There is a natural phenomenon scientists call the greenhouse effect.
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A
that
B
what
C
for which
D
who
(2013·四川成都高中毕业班第一次诊断)My mother and her old friends talked of some things and people ________ they remembered in the school.
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whom
B
which
C
who
D
that
Care of the soul is a gradual process _____even the small details of life should be considered.
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what
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in what
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which
D
in which
We’re talking about the piano and the pianist __________ were in the concert we attended last night.
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which
B
whom
C
who
D
that
There are a number of cases _______ family members or friends quarrel with each other and become enemies.
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that
B
which
C
where
D
when