这里用their还是them,为什么

这里用their还是them,为什么 这里该用their 还是its? Some of （ ）are japanese.应该填 they 还是 them 还是 their ,为什么? They love their work中为什么用their,而不用them It helps them open their eyes,widen their views .view 为什么用wi take them advice 还是 take their advice 在这里为什么用those而不用them? which在这里可不可以用them代替,为什么? fish sleep with their eyes open 为什么这里用open? 什么时候用 them,their,they both them还是both of them?为什么? 是every has his own idea还是ideas ,这里用his对吗?还是应该用their