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A.inB.byC.atD.on
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【C19】A.atB.fromC.offD.on
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【C12】A.atB.byC.inD.for
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The company is in good order _____ adopting advanced management.A: atB: byC: forD: wit
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【C10】A.atB.overC.underD.on
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【C18】A.atB.inC.forD.on
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He drove his car _____ the direction of Tianjin _____ a high speed .A.too⋯atB.in⋯byC.