Ключевые слова: 1, background, black, blackboard, card, celebration, chalkboard, children, classroom, college, color, concept, congratulations, creative, day, different, education, event, eyeglasses, festive, flat, frame, greeting, happy, holiday, international, knowledge, lay, learn, made, markers, nobody, object, october, pencils, pens, profession, pupil, school, september, stationery, student, study, teacher, teachers, text, top, university, view, work,