This is your picture.（变为一般疑问句）

This is your picture.（变为一般疑问句） This is your room.变为一般疑问句 This is a picture.（改为一般疑问句） This is a nice picture（改为一般疑问句） Is this your picture?(改为复数句） That is my cousin.(改为一般疑问句,并作肯定 This is my shirt.（变为一般疑问句） This is not Mary's dress.(变为一般疑问句） This is my coat .变为一般疑问句 This is my book 变为一般疑问句 This is my mother 变为一般疑问句 1.This is my umbrella.(变为一般疑问句) this your ____________? that is not a picture怎么变为一般疑问句,