1这部电影已经开始20分钟了.
The film has been on for twenty minutes.
2刘老师离开学校1个小时了.
Miss Liu has been away from school for one hour.
3我借了这部照相机1天了.
I have kept the camera for one day.
这是现在完成时的.
希望可以帮助到你哦~希望采纳哦~谢谢~ 1这部电影已经开始20分钟了.
The film has been on for twenty minutes.
2刘老师离开学校1个小时了.
Miss Liu has been away from school for one hour.
3我借了这部照相机1天了.
I have kept the camera for one day.
这是现在完成时的.
希望可以帮助到你哦~希望采纳哦~谢谢~