问题描述: A:whose book is it?B:It's() 1.me 2.mine 3.ny 1个回答 分类:英语 2014-10-31 问题解答: 我来补答 whose book is it?B:It's (mine ) .在这里mine==>my book mine是具有名词性质的人称代词所有格! 展开全文阅读