Ключевые слова: 1, back, background, black, case, child, childhood, children, class, color, colorful, different, education, exam, exercise, felttip, holder, homework, kid, knowledge, learn, learning, lesson, nobody, notebook, object, office, pen, pupil, school, september, set, stationery, student, study, supplies, table, time, university, various, wall, white,