在三年前的英语怎么说网上说是three years ago,我想问为什么不是in three years ago还有在那

三年前three years ago是时间点么?英语上的 three years ago作文 Three years ago与Before three years的区别是什么? 请教three years later与three years ago的区别? you was a student three years ago.错在哪? three years ago ago修饰什么 (we lives in shanghai) three years ago.( )three years ago?对括 He ____(bear)in 1901and____(die)three years ago he lived in japan three years ago...一道简单选择 Mary studied Chinese in Beijing University three years ago. We have been in China for three years ago .改错 A long time ago,I _______ in for three years.