I have been in this school for 3 years 同义句转换RT 改3种 不限制 就3种
问题描述：
I have been in this school for 3 years 同义句转换
RT 改3种 不限制 就3种
答
I was in this school 3 years ago.
I have been in this school since 3 years ago.
It is 3 years since I was in this school.
答
I came to this school 3 years ago.
It has cost me 3 years in this school.
I have spent 3 years in this school.
答
It is 3 years that i have been in this school.
I have been this school since 3 years ago.
I haven't left this school for 3 years.
答
I have been spent 3 years in the school.