Ключевые слова: ancient, background, barn, black, blackboard, board, chalk, chalkboard, chance, class, classroom, clock, college, concept, countdown, course, decision, dirty, education, event, fashioned, handwriting, handwritten, historical, history, learn, lesson, memory, message, old, opportunity, past, precise, rustic, school, second, sign, solution, student, study, subject, teach, teacher, university, white, wood, wooden, word, words, write,