Her uncle isn't a postman.改复数形式

she isn't a teacher改复数 It isn't her knife.的复数形式. This isn't my dictionary变成复数形式怎么改? isn't的复数形式 that isn't a watch改为复数形式? 用复数形式改写句子 1.This isn't her handbag. 2.Is this no it isn't 的复数形式 isn't的复数形式是什么? this is my uncle 改写成复数形式怎么写. ）这些英文句子的复数形式 1.This isn't her handbag.2.Is this your coat? 变复数形式.1、This is his case.2.this is her hat.3.this isn,t my p It isn't a good habit for her to copy my homework ,I think(改