一张纸 用英语,除了a piece of paper,能用a pair of paper

一张纸 用英语,除了a piece of paper,能用a pair of paper 一张纸的英语是不是“a piece of paper” a piece of paper a piece of paper可以用a paper吗?为什么? a piece of paper money a piece of paper中文 a piece of paper 是什么意思 是a piece of paper 还是 a slice of paper have a seat .a piece of paper . Cut a square from the piece of green paper whit the pair of what we need :a piece of paper ,a colored pen,glue ,a pair o a piece of paper 变为复数