Ключевые слова: background, blackboard, board, calendar, card, celebration, chalk, chalkboard, children, chrysanthemum, class, classroom, college, concept, creative, date, day, education, flat, flatlay, flower, flowers, gift, glasses, graduation, green, greeting, happy, hat, holiday, international, knowledge, learn, lesson, may, national, october, present, profession, professor, ribbon, school, student, study, supplies, teach, teacher, university, world, yellow,