Timwaswalkinghomefromschoolonedaywhenhenoticedaboyahead...
問題詳情：Timwaswalkinghomefromschoolonedaywhenhenoticedaboyaheadofhim.Hehadtripped(絆倒)anddroppedallofthebookshewascarryingalongwithsomeclothes,abaseballbatandaglove.Timkneltdownandhelpedtheboypickupt...