Выпишите слова в четыре колонки в соответствии с правилами чтения ударной гласной (i – открытый, условно-открытый; ii – закрытый; iii – гласная + r; iv – гласная + r + гласная, гласная + гласная + r): air, bench, condense, appear, convert, freeze, serious, circle, simple, surprise, admire, square, sphere, equipment, phrase, single, box, supply, secure, require, thirst, during, judge, produce, explain, scheme, furnish, attach, pure, production, easy, which, type, strengthen, duty, funny, purpose, white, why, wrong, shore, stable, space, manner, hobby, quite, exceed, thermal, justice, copper, article, pocket, gent-le, frequent, flame, child, leave, while, certain, thorn, emerge, important, service, super, urge, parents, may, arrange, proceed, cheer, complete, entire, ordinary, northern, further, reserve.