是a friend of my mother对,还是a friend of my mother's对?

是a friend of my mother对,还是a friend of my mother's对? a friend of my还是a friend of mine 1.a friend of my father's 与a friend of my father 有何区别是? 是a firend of my english teacher 还是 a friend of my english teacher's 为什么 Yesterday l met _______.A.the friend of my father B.a friend of my friend'sC.my father's one friend D.one of my father's friendD肯定是不对的，要加‘s’的 a friend of mine=?my friends 英语翻译a friend of my father's还是a friend of my father,如何辨别, a friend of my father和a friend of my father`s的区别? a friend of my father? a friend of my father's?两种说法哪个对? a friend of my brother和a friend of my brother's 有什么区别? a friend of my brother 还有a friend of my brother 两者什么区别? “A friend of my sister”表达正确吗?还是应该是“A friend of my sister's”? Mike is________.A a friend of me B one of my friend C one of my friend D the friend of my 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 高中代词练习题That man is a friend of my brother .That man is a friend of my brother‘s.哪一句是对的,为什么? A friend of my请问这里使用my对吗? Mr Smith is____A a friend of my fatherB a friend of my father'sC my brother friend D my brother friend's解析并翻译! A friend of her/his,那就是说a friend of my?那和a friend of mine有什么区别?