it is my foot 变复数
she is a teacher.变复数 it is a pen.变复数 this is my
that is my foot 改为复数
she goes to school on foot否定句 It is mouse.复数句 My fatuer goes
this is my my friend(变复数)
She is my friend.变复数句
where is my backpack 变复数
My cousin is a postman变复数
my bag is heavy.变陈述复数
That is my grandmother.怎么变复数
Is it your salsd?变复数
Is it your box?变复数形式
What color is it怎样变复数?