theirs 和their's 有什么区别?我是想知道theirs和their‘s的区别，不是their和theirs

theirs 和their's 有什么区别?我是想知道theirs和their‘s的区别，不是their和theirs their和theirs有什么区别 theirs和their有什么区别? their和theirs的区别有什么区别呢'在造个句 their和theirs的区别有什么区别呢'在造个句 Some people have pools of--- in their yards.A.themselvesB.their ownC.theirs ownD.their own's应该填什么? their和theirs的用法是什么? 英语their和theirs的区别 Where are ( A.their B.theirs C.theirs' D.their's It”s ＿pet .＿is white .A.their,TheirsB.their,TheirC.theirs,Theirs theirs＇classmates对了 还是their＇s classmates对了 his him her she it its they their theirs our ours us we 各有什么不同怎么用? Our classroom is as big as ___. 是填theirs 还是their这两个有什么不同呢? their后面加s是什么意思,什么时候用their什么时候要是theirs 形物代:my your his her its our your their名物代:mine yours his hers its ours yours theirs请问形物代和名物代中his有什么区别,能举例说明吗? some pictures of them和some pictures of theirs有什么区别 Mary`s parents admittedthat she was always contrary to a whish of A,their B,theirs 在什么情况下用：mine ours hers his its yours theirs heir