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Unit13We'retryingtosavetheearth!1.atthebottomoftheriver2.befulloftherubbish3.throwlitterintotheriver4.playapartincleaningitup5.landpollution6.filltheairwithblacksmoke7.cutdownairpollution8.makeadifference17.takeaction18.turnoff19.payfor20.addup21.usepublictransportation22.recyclebooksandpaper23.usepapernapkins24.turnofftheshower25.rideincars1.Eventhebottomoftheriverwasfullofrubbish.2.Everyoneintownshouldplayapartincleaningitup.3.Theairisbadlypollutedbecausetherearetoomanycarsontheroadthesedays.4.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.5.Iusedtobeabletoseestarsinthesky.6.Theairhasbecomereallypollutedaroundhere.Imgettingveryworried.7.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.1.pay1paysb.moneyforsth.Ihavetopaythem20poundsforthisroomeachmonth.202payforsth.Ihavetopayforthebooklost.3payforsb.Don'tworry!I'llpayforyou.4paysb.Theypayuseverymonth.5paymoneybackMayIborrow12yuanfromyou?I'llpayitbacknextweek.126payoffone'smoney2.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.1notonlybutalsoalsoShenotonlyplayswell,butalsowritesmusic.Henotonlywriteshisownplays,healsoactsinthem.HeworksnotonlyonweekdaysbutonSundaysaswell.2Notonlyyoubutalsohehastoleave.3notonlyNotonlydidhespeakmorecorrectly,buthespokemoreeasily.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Tocutdownairpollution1.inordertosoastoI'vewrittenitdowninordernottoforget.Heshoutedandwavedsoastobenoticed.Todrawmapsproperly,youneedaspecialpen.Todrawmapsproperly,aspecialpenisneeded.inordertosoastoTheystartedearlyinordertogetthereintime.Inordertogetthereintime,theystartedearly.Theystartedearlysoastogetthereintime.Soastogetthereintime,theystartedearly.2.for+Heopenedthedoorforthechildrentocomein.ShefetchedseveralbottleswhichsheplacedonthecounterforHarrytoinspect.3.1We'llstartearlyinorderthat/sothatwemayarriveintime.We'llstartearlyinorderto/soastoarriveintime.2Icameearlyinorderthatyoumightreadmyreportbeforethemeeting.Icameearlyinorderforyoutoreadmyreportbeforethemeeting.