a friend of my mother's 等于什么?

a friend of my还是a friend of mine a friend of mine=?my friends 英语翻译TouchedShe is my daughter and is immersed in the turbulence of her 16th year.Following a recent bout with illness,she learned her best friend would soon be moving away.School was not going as well as she had hoped,nor as well as her mothe 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”? 是a friend of my mother对,还是a friend of my mother's对? 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 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? One of my friends等于a friend of mine吗? She is a friend of my正确还是She is a friend of mine正确? a friend of mine = a friend of my friends 吗?