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Some of the people who ( ) to the party can't come now.A are invited B have been invented
人气:139 ℃ 时间:2019-10-14 03:54:28
解答
用现在完成时被动语态的have been invented是为了表明动作先发于can't come 的.因为先“邀请”,再“来”如果有 were invited可以选不?如果有 were invited而没有have been invented的话,可以选;若两者都有,后者更为精确,只是出题的人一般水平较高,不会让两者都出现的。
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