a friend of Lily还是Lily's

a friend of Lily还是Lily's 英语翻译是Tom is a friend of Li Ming.还是Tom is a friend of Li Ming's? mr li is a friend of _ Lily is a friend of __.A hersB herC she Li lei is a friend of ________.(I) 为什么是lucy is a friend of li lei而不是lucy is a friend of li lei′s a friend of her还是a friend of hers a friend of my还是a friend of mine I am a friend of Li Ming同义句 Li Ming and I ___ ___. Lily is a friend of ______.A.she B hers C her (为什么?) Lily is a friend of ______.A.she B hers C her(为什么?) a friend of Tom表达对,还是a friend of Tom's对a friend of my father对，还是a friend of my father's对 1：a friend of my father's 2：a friend of Li Ming's 3：that book of yours（能否改成your's) 前两句有什么语法区别? Friend of a Friend 歌词 英语翻译a friend of my father's还是a friend of my father,如何辨别, 他的一位朋友 是a friend of his 还是 a friend of him “A friend of my sister”表达正确吗?还是应该是“A friend of my sister's”? a friend of Tom,还是 a friend of Tom's 或者两个都对?