that is my eraser 改为复数句

that is my eraser 改为复数句 初一英语句型转换单数句改为复数句That is an eraser.This isn't my friend.She i that is my red eraser.(改为同义句） that's an eraser改为复数句 that is my red eraser.----- eraser----- ------.改为同义句 2.this That is my dictionary 改为复数句 That is her eraser改为否定句 that's my eraser 改为复数句子是什么 1.This is my sister.改为复数句2.That is my friend.改为复数句 this is my eraser 怎么（改为复数） 急 That is my eraser. Is this her eraser?(改为复数句）