Ключевые слова: academic, adult, american, apple, background, blackboard, books, career, caucasian, chalkboard, class, classes, classroom, college, color, connected, courses, desk, different, education, evening, exam, facilitator, flags, foreign, french, gesture, glasses, green, happy, individual, instructor, internet, italian, job, knowledge, languages, learn, learning, lecturer, lesson, male, man, mentor, notebooks, occupation, online, person, pointing, portrait, positive, profession, professional, school, science, secretary, sitting, skill, smart, smile, smiling, student, study, studying, table, teacher, teaching, training, tutor, university, wooden, work, worker, young,