Oneday,abouttenyearsago,whileworkingatthecashregisterin...
問題詳情：Oneday,abouttenyearsago,whileworkingatthecashregisterinthegiftshopatmyUniversityMuseumofNaturalHistory,Isaw ____61 ___ elderlycouplecomeinwithalittlegirlinawheelchair. AsIlooked ____62 _...