Ключевые слова: 1, back, background, chairs, chalkboard, children, class, classroom, college, color, desks, education, exercise, floor, high, homework, indoors, interior, knowledge, learn, learning, lesson, lifestyle, nobody, object, pupil, room, school, science, september, shelving, smart, student, study, studying, subject, tables, task, unit, university, wall, white, window,