【導(dǎo)讀】WhatisinCharlie’shand?race.Heisnotsure.Whoarethey?racestart?NextSaturday.andcyclingshoes.Useyourbrakes.Stayonthetrack.race?Yes.isnumber24.Whatisthetracklike?Why?給……加油。Ken,Sue,LisaandDaniel.HowisCharlieriding?Ishegoingtowin?Yes.WhathappenedtoMatt?Whatshouldtheydo?thehospital.Look!ankle_______.