2、eve vacross prep act n & vaction n active aactivity nactornactressn.add v address nadvantage nadvertisement nadvice nadvise vafraid aAfricanAfricana&nafter ad, prep &conj afternoon n again ad against prep age n ago ad agree vagreementair n airl
3、ineairplane n airport nalive aall a & pronallow valmost ad alone aalong ad & prepaloudadalready adalso adalthough conjalways adamazingaAmerica nAmerican a & namong prep ancient aand conjangry aanimal nanother a & pronanswer n & v ant nany pron & a
4、 anybody pronanyone pronanything pron anyway adanywhere adappear vapple nApril n areaarm narmy naround prep & adarrive v art narticle nartistnas ad, conj & prep Asia nAsian a & n ask v asleep aat prep attendv.attention nAugust naunt nAustralia nAu
5、stralian a & nautumn navoid nawake vaway adawfuladj.Bbaby nback ad & nbackground nbad(worse, worst) abag nball nballoon n15bamboo nbanvbanana nbandnbank nbaseball nbasic abasket nbasketball nbathroom n be(is,am,are) auxvbeach nbeann.bearn beat v &
6、n beautiful abeautynbecause conjbecome v bed nbedroom n bee nbeef nbefore prep, ad & conjbegin v behind prep believe vbell nbelow prep beside prep betterbestbetween prep belongvbig abike(=bicycle) nbiologynbilln.bird n birthn.birthday n biscuit nb
7、it nblack a & nblackboard n blind ablood nblow vbluen & aboard nboat nbody nbook nboredadj.boring aborn a borrow vboss nboth pron & abottle n bottom nbowl nbox nboy nbrainn.brave abread nbreak v & nbreakfast n breath nbridge nbright abring v Britain
8、n.Britishnbrother nbrown n & abuildvbuilding nburn vbus nbusiness nbusy abut conjbuy vby prep Ccake ncall v & ncamel ncamera ncamp n & vcan modalvCanada nCanadiann&acand