Ключевые слова: american, background, beard, board, child, children, class, classmates, classroom, coaching, coeducation, college, course, education, girl, glasses, handsome, happy, holiday, instructor, international, knowledge, learn, learning, lecture, lesson, male, male teacher, man, modern, people, person, portrait, professor, school, sitting, smile, smiling, standing, student, students, study, studying, teach, teacher, teaching, together, tutor, young,