1.abit(of)有一点儿ifeelabitcold. 　　2.acoupleof两个；几个Iateacoupleapples. 　　3.agroupof一群Thereareaagroupofsheepcrossingtheroad. 　　4.akindof一种;一类humanisakindofmammal 　　5.alotof(lotsof)＝anumberof许多Ihavealotofhomeworktodo. 　　6.apairof一双;一副Ithinkyouneedapairofnewglasses 　　7.apieceof"一(块,张,片,件)"Englishisapieceofcaketome. 　　8.accordingto按照;根据Accordingtothelaw,murderisillegal. 　　9.afterall"终究,毕竟"Afterallheismerelyakid,don'tpushhimtoohard. 　　10.afterschool放学后Canwegoforteaafterschool? 　　11.agreewithsb/to+V.同意某人的意见／某事Iagreewithyou,englishisthemostdiffcultsubject. 　　12.allday(long)整天Youcan'tsleepallday,evenintheholiday. 　　13.allover到处Therearerubbishalloverthebeach. 　　14.allright行了;好吧;(病)好了It'sallright,Iforggiveyou. 　　15.allthesame"还是,仍然"Althoughyourefusetoanswer,Iunderstanditallthesame. 　　16.allthetime一直Dadandmumtakegoodcareofmeallthetime. 　　17.alltheway一路上Iamallthewayhome. 　　18.andsoon等等Youcanfindeverythingyouneedfromthesupermarketsuchasfruit,meat,milkandsoon. 　　19.apologizetosb.forsth.为某事向某人道歉Iamapologizeforhiringsomeonetodomyhomework. 　　20.arriveat/inaplace到达某地Iarrivethetheclassroomontime. 　　21.aswell也;又Ilovemydadaswellasmum. 　　22.askfor请求;寻求MayIaskforafavourfromyou? 　　23.atbreakfast/lunch/supper早/午/晚餐时Iateabananaatbreakfast. 　　24.atfirst/last起先;开始的时候/最后；终于Evenyoutaketheleadatfrist,itcan'tguaranteecanwinatlast. 　　25.athome在家(里)Iliketostayathomeratherthangoingoutinarainyday. 　　26.atleast/most至少/至多Ineedtogetatleast50out100topasstheexam. 　　27.atonce立刻;马上Ileavetheclassrommatoncewhenthebellrings. 　　28.atpresent"现在,目前"Sheisgoingtocelebrateher30-year-oldbirthday,butshestillsingleatpresent. 　　29.atschool在学校;在上课IamhavingmyboringEnglishlessonatschoolatthemoment. 　　30.atthemoment"此刻,目前;那时,当时IamhavingmyboringEnglishlessonatschoolatthemoment. 　　31.atthesametime同时Don'tcryandlaughatthesametime,itmakesyoulookstupid. 　　32.atwork在工作Don'tslackatwork. 　　33.at/onweekends在周末Ilikereadingbooksonweekends. 　　34.beableto能够(有能力)IamabletobeaEnglishteacher. 　　35.beafraidof害怕Iamafraidofspider. 　　36.beangrywithsb.生某人的气Don'tbeangrywithmy,Ididn'tmeantoheartyou. 　　37.bebadfor有害于Cigaretteisbadforheath. 　　38.beborn出生于IamborntobeaEnglishteacher. 　　39.bebusywith/doingsth.忙于做某事IambusywithmyEnglishhomework. 　　40.becarefulwith小心Ineedtobecarefulwithnotmakinganycarelessmisstakes. 　　41.becoveredwith被……覆盖Thecitywillbecoveredwithsnowinwinter. 　　42.bedifferentfrom与……不同Boyisdifferentfromgirl. 　　43.befamiliarto对……熟悉Heypretty,youlookfamiliartome,haveusevermetbefore? 　　44.befamousfor以……而著名AppleisfamousforIphoneandMacbook. 　　45.befondof爱好Mostgirlsarefondofrose. 　　46.befullof充满Lifeisfullofupsanddowns. 　　47.begood/poorat善长于/对……比较差IamgoodatEnglishbutpooratChinese. 　　48.beinterestedin对……感兴趣I