a friend of mine 那为什么 the leg of the chair用chair而不用chair's

a friend of mine. A friend of her/his,那就是说a friend of my?那和a friend of mine有什么区别? 为什么是a friend of mine 而不是a friend of me 呢 a friend of my还是a friend of mine A friend of mine,A friend of myself.哪个对? Tom is a best friend of mine. a friend of mine=?my friends He is a friend of mine.翻译. I _______ (填空)a friend of mine he is a friend of mine 初一英语作文：A Friend of Mine A Good Friend of Mine 英语作文 just a friend of mine 歌词 She Was A Friend Of Mine 歌词 a good friend of mine 为什么用mine his a friend of mine 为什么用mine friend of mine 歌词 One of my friends等于a friend of mine吗?