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英语
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there has been a time和there had been a time有什么区别?
人气：475 ℃ 时间：2020-01-28 13:05:41
解答
都是there be句型的完成时态.区别就是一个是现在完成时（there has/have been）,一个是过去完成时(there had been)、
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