Ключевые слова: academic, background, blackboard, board, bouquet, card, celebration, chalk, chalkboard, class, college, color, composition, congratulations, copy, day, education, event, festive, flat, flowers, fun, gift, green, happy, holiday, idea, international, job, knowledge, lay, layout, learn, literacy, object, professional, professor, school, science, space, student, study, teacher, text, top, university, view, work, world,