靠他网 徐 丽
完毕时使用方法及考点解析
时态学习攻略
完毕时攻略
构造
双态
have/ has done
have/ has been done (by)
had been done(by)
The city has already been rebuilt.
It had been rebuilt before I left.
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楼主: 打了个飞的
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