Question

他离开这个学校已3年了 用三种英语句式翻译出来

Answer 1

有道翻译后意思是；He left the school for three years

百度翻译后意思是；He has been away from this school for 3 years.

你也可以自己在线翻译，百度翻译地址；http://fanyi.baidu.com
有道在线翻译；http://fanyi.youdao.com

希望可以帮到你，还望采纳

Answer 2

He has been away from this school for 3 years.
It is three years since he left this school.
He left this school three years ago.