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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推荐题目
The result of the experiment was every good, ______ we hadn’t expect.
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when
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In our factory there are 2,000 workers, two thirds of _______ are women.
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them
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which
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whom
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who
Between the two parts of the concert is an interval, __ the audience can buy ice-cream.
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where
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that
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which