What's wore is that pollution has

What's wore is that pollution has I wore a fancy dress .What's wrong with that?It was a barbec 什么是污染?what's pollution? This is the best way that has used againest pollution.这句话中th that's what it is What's that noise?What (is happening)? What is pollution?Pollution means a___ dirty or She wore the same dress that she wore at Mary's birthday par （ ）（ ）know（s）that noise is a kind of pollution,（ ）（ ）. What is the cause pollution of air? What is air pollution?哪些是空气污染 she is wearing the same dress that she wore yesterday.