This set of rulers is blue 变复数句
This set of rulers is blue 变复数句
This isn't an English book.变复数.Are they rulers?变单数.How is he
These pens are blue.(变否定句) Is that your photo?(变复数句) This is
this.is pen变复数句
He is in a blue t-shirt.变复数句怎么变
Is that coat blue?变复数
This is a photo of my family.变复数
Is this a pen?(变复数句)
this is knife in the box(变复数句
this is a box.变复数句___________?
This is a pen变为复数句,怎么变
This is a horse.变该句为复数形式