Ключевые слова: academic, attention, books, briefing, campus, caucasian, cheerful, class, classroom, college, conference, desk, education, female, friends, girl, group, happy, indoors, interested, knowledge, laptop, learn, learning, lecture, lesson, listening, male, meeting, men, pen, people, presentation, seminar, sitting, smile, smiling, student, students, study, studying, teacher, teaching, team, teamwork, teenagers, together, university, women, young,