book has been kept by him for three weeks has past after he borrowed that is three weeks from when he borrowed that is three weeks since he borrowed that book.
我借这本书已经有一个月了。I have kept this book for a month.
企业回汇泉翻译成立于 1998 年 6 月，由一群归国留学生创建，至今翻译经验100亿字数以上，品牌总部设于广州市，现已在广州、上海、北京、天津、深圳、海南、香港等地实行品牌连锁经营，是一家集多语种翻译、多元化服务于一体，
故原来的借borrow（短暂性动词）要变成持续性动词（keep）所以就有I have kept the book for two weeks.(我已经借了这本书两周了)如果改为同义，则是I borrowed the book two weeks ago.(
I have borrowed this magazine for a week.
你这些翻译题应该都是考的现在完成（进行）时及其中关于since , for的应用吧，所以答案如下： long has the book been borrowed by you? computer has been his since more than 3 years ago . fil
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隐形冠军
