名词性物主代词：mine,his,hers,its,they的名词性主代词是theirs.形容词性物主代词my,her,his,its,their.
名词性物主代词：mine，yours，his,hers,its，ours，theirs，形容词性物主代词：my,our,your,her,his,its,their
知不到
