Lesson13Let'sBuyPostcards!postcardpicturepaperlettercomputeremailThesearepostcards.Apostcardhasapictureonit.Thisisaletter.Wewritea...
DearMumandDad,IaminBeijing,How’stheweatherinCanada?Isitsnowy?April17DearStevenHowareyou?I’mverywellinbeijing.Beijingisgreat.Seey...
