谁能告诉我he.him和his的区别;she.和her的区别

谁能告诉我he.him和his的区别;she.和her的区别 his和him的区别 his her him的区别? his her he 和she 有什么区别 for her和for she的区别 him和he和his有什么区别 he him his she her he his him, she her ( ) he/his和she/her的根本区分 his 和of him区别 谁能告诉我responsibility和commitment和duty的区别 谁能告诉我his和him的用法,很详细的那种