it is my foot 变复数

it is my foot 变复数 It is my boot .变复数 that is my foot 改为复数 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 a sheep is eating grass at the foot of the hill变复数 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