分类：教育/科学-外语学习-英语考试
问题：英语题igotoschoolwith_friend1mine,2 
i go to school wh _friend 1mine ,2 my      whoes pan this is ? it's _1my ,2mine  _english is very poor,1mine, 2 my
回答：my
mine
my
my是主格，mine是宾格。