英语翻译a friend of my father's还是a friend of my father,如何辨别,

英语翻译a friend of my father's还是a friend of my father,如何辨别, 1.a friend of my father 与a friend of my father's有什么区别, 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? He is a friend of my father正确还是He is a friend of my father's a friend of my father's可以写成my father's friend he is a good friend of of my father's a friend of my father与 my father's friend区别 a friend of my father's 与 one of my father's friends 怎么翻译 A friend of my father's.的中文意思 a friend of my father和a friend of my father's哪个对?有什么区别? 在选择题中,同时有a friend of my father 和 a friend of my father's 选什么