By the time the tornado ended, more than 700 people _________.A.have killedB.had been killedC.were k

题目简介

By the time the tornado ended, more than 700 people _________.A.have killedB.had been killedC.were k

题目详情


By the time the tornado ended, more than 700 people _________.
A.have killedB.had been killedC.were killedD.had killed
题型:单选题难度:偏易来源:不详

答案

B
考查时态和语态。By+过去的时间,主句用过去完成时;by+将来的时间,主句用将来完成时。句意“到龙卷风结束的时候,已经有700多人被害。”根据ended可知,是过去的时间,主句用过去完成时;people和kill之间是动宾关系,应该用被动语态。故选B。

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