英语阅读,DearJack,We'regoingtohaveourschoolsportsmeetingontheplaygroundnextweek.ItwilllastthreedaysfromThursdaytoSaturday.Wehavemanycompetitionsinrunning,suchas100-meterrace,400-meterraceandtheralayrace.Wealsoh

　　英语阅读,

　　DearJack,

　　We'regoingtohaveourschoolsportsmeetingontheplaygroundnextweek.ItwilllastthreedaysfromThursdaytoSaturday.Wehavemanycompetitionsinrunning,suchas100-meterrace,400-meterraceandtheralayrace.Wealsohavethelongjump,thehighjump,andsoon.Iknowyou'regoodatrunning.Wouldyoupleasetakepartintheboy's400-meterrelayracewhichstartsat10:30a.m.onFriday?Pleasebeontime,wearyoursportsshoesandtakeabottleofwater.

　　Goodlucktoyou!

　　Yours,

　　Jim

　　1、WhatdoesJimaskJacktodoandwhy?