Ключевые слова: accessories, alarm, back, background, bell, blackboard, board, book, chalk, chalkboard, class, classroom, clock, college, colourful, concept, desk, education, elementary, equipment, green, note, notebook, number, object, office, paper, pen, pencil, ring, school, sheet, spiral, stationery, student, study, supplies, teaching, text, time, timer, tools,