Ключевые слова: autumn, back, black, blackboard, blank, board, book, chalk, chalkboard, class, classroom, college, color, colorful, concept, desk, education, elementary, formulas, green, handwriting, learn, life, literary, literature, mouse, nobody, notebook, object, pen, pencil, rubber, school, schooling, sharpener, stationery, stickers, student, study, studying, supplies, symbol, table, teach, teacher, textbook, university, wisdom, wood, write,