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【C7】A.fromB.throughC.uponD.at
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【C7】A.any longerB.at allC.oftenD.no more
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【C7】A.toB.withC.byD.at
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【C7】A.in a momentB.at the momentC.in a hurryD.in a line
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【C7】A.soB.laterC.thatD.at last
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【C2】A.lastB.firstC.at lastD.at first
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【C2】______A.At first sightB.At the beginningC.In the first viewD.From the first