emwillonlygetworse.Ifnaturecan’treusetherubbish,wemustrecycle__31__.Weshouldcleanuptherubbishwe’vemadebecausenaturecan’t.Recyclingisalsotherightthingtodoforanotherreason.Theearthisrichinnaturalmaterialslikewaterandtrees,__32__thesematerialsarenotendless.Weuseupournaturalmaterialsmuch__33__thantheearthisabletoreproducethem.Forexample,eachyearwecut__34__morethat6,000squaremilesofforest.Butittakesanaverageof25yearsforanewtree__35__.Recyclingcanhelpussavetheearth,solet’stakeactionrightnow.26.A.useB.usingC.isusedD.used27.A.anotherB.otherC.othersD.theother28.A.whoB.whichC.howD.where29.A.pollutesB.pollutedC.pollutingD.ispolluted30.A.WhenB.WhetherC.WhyD.If31.A.thenB.theirC.itD.itself32.A.butB.soC.andD.or33.A.fastlyB.fastC.tasterD.fastest34.A.outB.downC.inD.up35.A.growsB.forgrowingC.growingD.togrow
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