相关pencils的文学知识

Ihavesixpencils.Iboughttwodozenpencils.Takeoutyourcoloredpencils.Apen,twopencilsand,aneraser.Smoothandbeautiful,Zhonghuahighqualitypencils.Sharpenyourpencilsbeforethetest.Therearefourpencilsonhisdesk....