Timwaswalkinghomefromschoolonedaywhenhenoticedaboyahead...
问题详情：Timwaswalkinghomefromschoolonedaywhenhenoticedaboyaheadofhim.Hehadtripped(绊倒)anddroppedallofthebookshewascarryingalongwithsomeclothes,abaseballbatandaglove.Timkneltdownandhelpedtheboypickupt...