题目内容
【题目】Last night's TV news said that by then the death of the missing people __________ yet.
A. had not been proved B. had not proved
C. have not been proved D. have not proved
【答案】A
【解析】句意:昨天晚上的电视新闻报道,到那时为止失踪人员的死亡还没被确认。设空处表达的为“昨天新闻发布之前发生的”,因此为过去完成时,且“失踪人员”与“证实”之间是被动关系,因此用被动语态。
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