Stannard Allen W. Living English Structure

A Practice Book For Foreign Students. Longman, 1974. — 5th edition. New impression, 1992. — 338 p. One of the best English grammar practice books for elementary, intermediate and advanced levels with clear explanations. Один из самых лучших сборников упражнений по английскому языку для всех уровней — элементарного, среднего и повышенного — с разъяснениями. For the Answer Key, go here. There is also a shortened, simplified version for secondary schools Living English Structure for Schools.