Module2U2MrLiwasateacher.chantIwasababythen,nowIamapupil.Iwasshortthen,nowI’mtall.Icouldn’twalkthen,nowIcanwalkwell.Icouldn’tspeakthen,nowIcanspeakwell.Iwasonethen,nowI’mtwelve.Whatdidshe/hedoyesterday?Hereadabook.Hemadeacake.Tenyearsago,shewasapupil.Now,sheisaTeacher.WhataboutLiWei?HowoldisLiWei?Mr.LiTwentyyearsagonowWhatdidMrLido20yearsago?ListenandanswerHewasateacher.WhatdidMrLiteach?HetaughtChinese.Whodidheteach?HetaughtChenHai.Whodoesn’tworknow?MrLi.ChenHaiTwentyyearsagonowWhatdidChenHaido20yearsago?ListenandanswerHewasapupil.WhatdoesChenHaidonow?He’sanEnglishteacher.WhodoesChenHaiteach?He’steachingMr.Li.Hestudiedveryhard.Tenyearsago,MrLi()ateacher.He()Chinese.ChenHai()inhisClass.He()agoodpupil.He()veryhard.wastaughtwaswasstudiedNow,MrLidoesn’t().He’s()English.ChenHaiis()Englishteacher.He’s()MrLi.worklearninganteachingA:Fiveyearsago,helivedinasmallhouse.B:Nowhelivesinabighouse.A:Fiveyearsago,hewalkedtoschool.B:Nowhegoestoschoolbybus.A:Fiveyearsago,hewroteletters.B:Nowhesendsemail.Shedidn’tmakeacakeyesterday.DidhewatchTVyesterday?Yes,hedid.Didshedoherhomeworkyesterday?Yes,shedid.Didhegotothezooyesterday?No,hedidn’t.Hedidn’tgotothezooyesterday.XXX√√√Didhe/she-----?awairassdrawchairclasssawhairpass