Ключевые слова: alarm, assistance, background, book, business, chalkboard, childhood, class, classroom, clock, college, color, concept, copy, desk, desktop, doing, education, exercise, green, group, holder, home, homework, information, knowledge, learn, learning, lesson, lifestyle, manual, nobody, note, notebook, notice, object, organizer, pencils, preparation, research, school, schoolwork, space, stack, stationery, student, study, studying, success, supplies, table, text, time, university, white, wisdom, wooden, work, working,