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

题目简介

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

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
选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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