Gailandhisdog,Sam,arestandingatthestreetcorner.They'rewaiting
Gailandherdog,Sam,arestandingatthestreetcorner.They'rewaitingforthecarstogoby.Theywanttogo__36__thestreet.SheiswaitingforSamtodecidewhentheycross.
__37__blindpeopleusespecial,trained(受过训练的)dogstohelpthemtellwhenandwheretheywouldgo.Butnoteverydogcando__38__.Adogfortheblindmustbeclever.Thedogmustbe__39_ataspecialschool.Heistaughttowalk__40__thetrainer'slegs.Heistaughttowalk__41__histrainerdoes.
Theblind__42__goestotheschool,too.Hepracticeswiththedog.Heholdstheleatherbelt(皮带)aroundthedog'snecktightly.__43__hefeelsthedog'smovementsandknowswhenandwhereto__44__.
AtthestreetcornerSamdoesn'twatchthe__45__.It'snotbecausehe'scareless.It'sjustbecausedogscan't__46__redlightsfromgreenones.Heistrainedtowatchthecars,andtell_47__thetimeisforhimandGailtocross.
Samis__48__toGail.Hedoesherseeingforher.Hekeepsher__49__danger.ButSamisnotonlyGail's__50__.He'sherbestfriend,too.
()36.A.throughB.overC.acrossD.past
()37.A.AnyB.AllC.NoD.Some
()38.A.oneB.itC.theseD.those
()39.A.toldB.askedC.trainedD.helped
()40.A.closetoB.farfromC.infrontofD.behind
()41.A.fasterthanB.slowerthanC.notsofastasD.asfastas
()42.A.manB.personC.childD.woman
()43.A.InthiswayB.BythewayC.OnthewayD.Alongtheway
()44.A.jumpB.runC.walkD.drive
()45.A.peopleB.policemenC.trafficlightsD.cars
()46.A.speakB.talkC.sayD.tell
()47.A.whenB.whatC.whereD.which
()48.A.politeB.kindC.importantDfriendly
()49.A.inB.outofC.withD.inside
()50.A.eyesB.earsC.handsD.feet