无Aa/an(det)able(adj)beabletoabout(adv&prep)•Whataboutacolddrink
•Ihaveabout£3
(adv)•abookaboutanimals(prep)above(adv&prep)accident(n)across(prep)•Thebank’sacrosstheroad
•Hewalkedacrossthebridge
act(n&v)n
activity(n)actor(n)actually(adv)ad(n)•anadonTVadd(v)address(n)adult(adj&n)advanced(adj)adventure(n)advertisement(n)advice(n)aeroplane(n)afraid(adj)after(adv&prep)afternoon(n)afterwards(adv)again(adv)against(prep)•WewatchedEnglandplayagainstFranceage(n)•Idon’tknowhisage
aged(adj)ago(adv)agree(v)•Yes,Iagreewithyou
•Don’tyouagree,Sam
air(n)•totravelbyairairport(n)alarmclock(n)album(n)all(adv,det&pron)allright/alright(adj,adv&exclam)almost(adv)alone(adj&adv)along(prep)already(adv)also(adv)always(adv)a
(adv)(antemeridiem的缩写)amazing(adj)ambulance(n)among(prep)and(conj)angry(adj)animal(n)anot