Ключевые слова: aged, apple, back, background, black, blackboard, board, book, bouquet, card, celebration, chalk, chalkboard, class, classroom, college, color, concept, copy, day, desk, education, empty, festive, flower, green, greeting, happy, holiday, knowledge, learn, life, object, pencil, present, retro, rustic, school, space, stack, student, study, supplies, table, teacher, text, textbook, white, wooden,