【正文】
her plete the article using the passive voice.Insomecities,theair(3)________(fill)withpollution.Thismakespeopleill,andmorepeople(4)_____________(hurt)inthefutureifitisnotcleanedup.Aswellaspeople,animals(5)___________(harm)bypollution.Landandwaterpollutionkillsmanyanimalseveryyear.Ifwedonotacttoimprovetheenvironment, isfilledwillbehurtareharmedmorelivingthings(6)____________(kill)bypollution.However,thereissomegoodnews.Ashow(7)___________(hold)atthetownhallthisFridayevening.Allofuswillhaveachancetothinkabouttheworldaroundus.Onthatday,we(8)_____________(show)howtoprotecttheenvironment.Ifweworktogether,wecanmaketheworldabetterplace.willbekilledwillbeheldwillbeshown1.Reviewthecontentsofthislesson.2.Finishtheexercisesintheworkbook.3.Previewthenextlesso