题目内容
10.Last night's 9TV news said that by then the death of the missing peoplehad not been proved (未证实)yet.(prove)分析 句意为:昨晚中央九套新闻频道说,截止昨日,失踪人是否死亡还没有被证实.
解答 答案:had not been proved
昨天说的,昨天之前,尚未发生的,并且,有by then 这样的时间,是过去的过去,所以本题用过去完成时,失踪人的死亡这个事情和prove是被动关系,所以用被动语态.
所以本题答案为had not been proved.
点评 考查时态语态时,首先根据时间状语和上下文弄清句子是什么时态,然后判断是主动语态还是被动语态.
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