active activity actor actress actual acute adapt add addict addition additional address
adequate adhere adjacent adjective adjust administer administration admire admission
admit adolescent adopt adore afford affuent affirm affiliate affection affect affair
aesthetic aeroplane aerial advocate advise advisable advice advertise adverse adverb
adventure advent advantage advanced advance adult afraid after afternoon afterward
again against age agency agenda agenda agent aggravate aggressive agitate ago
agony agree agreeable agriculture ahead aid aim air air-conditioning aircraft airline