英语好的进!In three years,bill will be three times英语好的进!In three years,bill will be three times as old as nancy was four years ago.After three years,bill will be three times as old as nancy was four years ago.有什么不同?
问题描述：
英语好的进!In three years,bill will be three times
英语好的进!
In three years,bill will be three times as old as nancy was four years ago.
After three years,bill will be three times as old as nancy was four years ago.
有什么不同?
答