(2013·四川，9)Nowadays people are more concerned about the environment________they live.
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推荐题目
The conference will be put off until next week, _______ we will have made all the preparations.
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which
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in which
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when
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on which
Tom's first job was at a local restaurant in his early twenties，________he worked for seven years.
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which
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that
— Alice told me you called yesterday.— Yes, I had a problem with Jane, ___________I thought you could help me with, but you were not in.
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I wish to thank Professor Smith, without ______ help I would never have got this far.
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whose
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whom
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which