Ключевые слова: 1, alarm, back, background, beautiful, blackboard, bouquet, celebration, chalkboard, chamomile, children, chrysanthemum, class, classroom, clock, color, concept, copy, day, education, flowers, green, greeting, holiday, hour, knowledge, learning, lesson, many, nobody, notebook, object, pen, profession, pupil, school, september, space, stationery, student, study, table, teach, teacher, text, time, university, vase, wooden, year,