Ключевые слова: accessory, background, backgrounds, banner, beautiful, class, cognition, colourful, colours, different, draw, drawing, education, exercise, flat, homework, isolated, lay, learn, lesson, light, many, nobody, object, office, painting, pattern, pen, pens, rainbow, scattered, school, stationery, study, task, tip, tool, view, wallpaper, white, wood, wooden, write, writing,