It is my boot .变复数

It is my boot .变复数 it is my foot 变复数 yes,it is.变复数 this is my my friend(变复数) She is my friend.变复数句 Here is my family photo 变复数 That is my grandmother.怎么变复数 My cousin is a postman变复数 my bag is heavy.变陈述复数 It is an orange,变复数 What color is it怎样变复数? Is it a cat?要求变复数 It,is,on,the,sofa.变复数 she is a teacher.变复数 it is a pen.变复数 this is myshe is a teacher.变复数 it is a pen.变复数this is my friend.变复数的一般疑问句,并做肯定及否定回答 where is my backpack 变复数这句话能变复数吗?怎么变? it is my watch变复数形式 the backpack is under the table.就画线部分提问 This is my sister?怎么变复数形式?代词my用变复数吗? this,is,it,that,my,的复数.