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Lesson46CanadaandtheU.S.1.Thewordsandusefulexpressions.2.KnowaboutCanadaandtheU.S.3.通过学习更多了解世界上其他国家。Talkaboutsomet...
Lesson46CanadaandtheU.S.amapofCanadaLead-inamapoftheU.S.NiagaraFallsRockyMountainsCanada’sflag=theflagofCanadaIt’sredandhasaleaf...
