Выпишите исчисляемые существительные в одну колонку, а неисчисляемые в другую колонку. При исчисляемых существительных поставьте артикль ( а или аn).

Timber, music, chalk, watch, aviation, love, assistance, assistant, hour, bread, darkness, water, sea, cheese, happiness, event, glass-стекло, glass-стакан, hero, sand, air, wool, piano, friend, friendship, quickness, tobacco, cigarette, copper, armchair, coffee, ship, coin, equipment, money, ink, banknote, meat, silver, word, tree, idea, ice, furniture, airship, heat, cow, milk, butter, horse, speed, umbrella, instrument, machine, obligation, university.