SARS is an illness that can result in death unless left in time.A.to treatB.treatingC.treatedD.treat

题目简介

SARS is an illness that can result in death unless left in time.A.to treatB.treatingC.treatedD.treat

题目详情

SARS is an illness that can result in death unless left      in time.
A.to treatB.treating
C.treatedD.treat
题型:单选题难度:偏易来源:不详

答案

C
本句中的treat 充当主语补足语,且与主语SARS之间为被动关系,故应选择过去分词。

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