Ключевые слова: abc, accessory, alphabet, apple, back, back to school, background, backgrounds, ball, banner, black, blackboard, book, brain, brochure, bus, card, cartoon, chalk, chemistry, childhood, children, class, closeup, concept, concepts, copying, draw, earth, education, empty, equipment, food, frame, fruit, funny, graduation, group of objects, material, no people, notebook, pen, pencil, ruler, school, scissors, student, supplies, table, teacher,