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【C15】A.causeB.courseC.cautionD.case
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【C15】A.installmentB.expeditionC.analysisD.option
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【C15】A.orB.andC.soD.then
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【C15】A.whileB.afterC.beforeD.over
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【C15】A.withB.inC.asD.like
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【C15】A.puzzledB.confusedC.troubledD.disturbed
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【C3】A.kindnessB.goodnessC.affectionsD.beauty