Unit4LanguageinuseRevision。PartBGrammar:Adverbsoffrequency（频度副词）时间频率的表达方法everyday每天onceaweek一周一次twiceamonth一月两次fourtimesayear一年四次oncetwoweeks两周一次twicethreemonths三月两次Example:Idrinkmilkandeatvegetableseveryday.Iexerciseonceaweek.IeatMcDonald’stwiceamonth.Ivisitmygrandmotherfourtimesayear.Doyouknow？Activity3Groupworks:Lisa’sweek【能力升级】I.选择填空。1.—_______doesyourfatherwritetoyou?—Onceamonth.A.HowlongB.HowoftenC.HowmuchD.Howmany2.—Doyou________walktoschool?—No,________.Ilivetoofaraway.A.often;neverB.usually;oftenC.seldom;alwaysD.always;usually3.—Lilysingsverywell.Doesshegotoamusicclass?—No.Hermotherteacheshereveryday.She_______goestoanymusicclasses.A.usuallyB.oftenC.neverD.always4.—Ithinkmeatmaymakemebecomefat,soI________eatit.—Butyouneedmeattokeepyoustrong.A.alwaysB.usuallyC.oftenD.seldom5.—MissPanisapopularteacherinourschool.—Yes.Herclassesare_______interesting.A.alwaysB.neverC.seldomD.sometimesII.按要求改写句子，每空一词。1.Theyplaybasketballontheplaygroundafterschool.(改为否定句)They__________basketballontheplaygroundafterschool.2.TheGreensseldomeatout.(对划线部分提问)_____________theGreenseatout?5.——萨姆和苏珊多久去看一次电影？——一个月一次。—___________SamandSusangotothemovies?—____________.6.苏珊总是在上午休息时间读书。Susan_______readsbooks_______________________.Whathaveyoulearnt？Homework