Unit4建华林建华林建华NewwordsListeningTextLet’sdoitLesson25Lesson25Good-bye,BeijingGood-bye,BeijingNewwordsairportn.飞机场begin(began,begun)v.开始neveradv.从不everyadj.每个的It’stimeforsth=It’stimetodosthIt’stimeforclass=It’stimetohaveaclassIt’stimeforlunch=It’stimetohavelunchKeypointsForexampleThanksforcomingThankyoufor…或Thanksfor…ThankyouforyourbikeThankyouforyourhelp.(=Thankyouforhelpingme.)ThanksforaskingmeForexampleWhatabout…?=Howabout…?---Thishatistoobig.---Howaboutthatone?It’ssunny.Howaboutgoingfishing?HowaboutvisitingourEnglishteacher?Let’sdoitInasmallgroup,makeupthisdialogue,YouareatthestationorairportOnefriendisleaving.Theothersaresayinggood-bye.