Ключевые слова: adult, attractive, background, board, book, career, casual, caucasian, chalkboard, cheerful, class, classroom, college, desk, emotion, hand, happy, high, his, indoors, information, instructor, intelligent, job, knowledge, learn, looking, male, occupation, person, pile, portrait, profession, professor, resting, shirt, sitting, smart, smiling, standing, study, teacher, teaching, textbooks, thinking, training, tutor, university, work, working,