问题
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.Water and air are _______ to human beings. We can
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Tiles(瓷砖)can be fixed to any surface as long as it’s ______ , firm and dry.AsquareBp
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Weve arranged to go to the cinema on Wednesday, but we can be______and go another day if n
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Disease can be______, if not more so, to the well-being and progress of a nation as wars o
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The questionnaire takes_______ten to fifteen minutes to complete and can be used along
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We have arranged to go to the cinema on Friday but we can be ______ and go another day.A.
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