it was thirty years until they were able to reunite 能代替 it was thirty years before they were吗
人气：495 ℃ 时间：2020-01-29 14:41:18
解答
it be +段时间句型通常用since before具体为it+was/will be +段时间+before具体为it+is/has been+段时间+sinceit was thirty years until they were able to reunite此句应把until改成since至于它能否代替第二句不好...
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