题目内容：
ThatholidaymorningIdidn’thavetoattendschool.Usually,onholidays,Mother36metosleepin.AndIwouldcertainlytakefulladvantageofit.Onthisparticularmorning,___37___,Ifeltlikegettingupearly.Istoodbymywindowoverlookingthe___38___,havingnothingbettertodo.Butasitturnedout,Iwassoontolearnaboutsomething___39___inlife.
AsIwatchedseveralpeoplegoby,getintotheircarsandgooff,I___40___anoldmanonabicyclewithabucketonits___41___andabasketragsandbottlesonitsback-carriage.He___42___fromonecartoanother,washingandcleaningthem.Fromthewaterontheground,itseemedthathehadalready___43___washingandcleaningaboutadozenormorecars.Hemusthavebeguntoworkquiteearlyinthemorning.
Severalthoughts___44___mymindasIwatchedhimwork.Hewasn’twell-dressed.Hehadonapairofshortsanda(n)___45___T-shirt.Thebicycleherodewasnotbyanymeansthekindmodern___46___wouldwanttobeseenridingon.Butheseemed___47___withlife.Therehewas,workinghardathissmallbusiness,___48___atpassers-byandstoppingtochatnowandthen___49___elderlymenandwomenontheirwaytothemarketnearby.
Therewasanoticeabletouchof___50___inthewayheseemedtobedoingthings—___51___thewindscreen(挡风玻璃),thenstandingbacktoadmireit;scrubbing(擦净)thewheelsand___52___,standingbacktoseewhattheylooklikeafterthescrub.
Itwasa___53___tolearn,Ifelt.Atnoageneedonehavetobegfora___54___ifonehasgoodhealthandiswillingtoworkhardForawhileIfelt___55__ofmyself.YoungasIam—justsixteen,andtherewasthisoldmanwhomusthavebeenusefullyengagedperhapsbeforethesunappearedabovethehorizon. A．forces
B．allows
C．causes
D．forbids
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