Ключевые слова: back, background, blank, blue, bright, children, clean, college, color, copy, copybook, cover, diary, education, empty, exercise, homework, learn, learning, lesson, light, lined, message, nobody, note, notebook, object, office, open, page, paper, personal, pupil, school, sheet, space, stationery, student, study, studying, supply, text, textbook, top, university, view, work, worksheet, write, writing,