Is () your eraser?坐等谢谢为什么这里不能用her?而是用his?

Is () your eraser?坐等谢谢为什么这里不能用her?而是用his? Is that your eraser?(改为同义句）Is----------eraser-----------? Is this your eraser怎么回答 is this your eraser的同义句 前面是Is this your eraser is this your eraser?【同义句】 what c( )is your eraser 填空 Is this your eraser?NO,it is not.Ithink{ }1;it his eraser 2;its his eraser 3;it is his eraser改选哪一个 Is this your eraser?(同义句）Is this___ ____? is that not your eraser?这句话对吗?That isn't your eraser.变一般疑问句is that not your eraser? is not your eraser that 连词成句 Is this your eraser?(作否定回答） Is the eraser in your pencil box的意思是什么 is that your eraser(改写为复数形式) HERE IS YOUR ERASER.()(),JANE中间填什么 is,this,your,eraser,（同义句转换） is this your an eraser?是不是对的， Is this your an eraser?哪错了?