人教版（pep）小学三下Unit6HowmanyPeriodFiveRevisionListentothesong16sixteen17seventeen18eighteen19nineteen20twentyonetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentyLet’slearnLet’schantHowoldarethey?Tom,Tim,MaryandAnnarebrothersandsisters.Idon’tknowhowoldeachofthem（他们中的每一个）is.Ionlyknow,oneis18,andoneis15.Oneof（…其中之一）theboysis16,andoneofthegirlsis17.Ialsoknow,Tomisolderthan（比…年龄大）Mary,butAnnisn’t.Answerthequestions:1.HowoldisAnn?2.HowoldisTom?3.HowoldisTim?4.HowoldisMary？15181617背会Let’slearn对话会唱Let’schant歌谣。Goodbye
