Ключевые слова: adult, back, background, beautiful, book, caucasian, class, classroom, college, color, conducting, educate, education, educator, exam, exercise, explain, female, geography, homework, indoors, job, knowledge, learn, learning, lecturer, lesson, map, mature, middleaged, people, person, portrait, profession, room, school, september, study, studying, subject, task, teach, teacher, tutor, university, wisdom, woman, work, world,