Ключевые слова: adult, approved, background, backpack, bag, beautiful, book, boy, casual, caucasian, classroom, college, copyspace, education, enthusiasm, expression, handsome, happiness, happy, isolated, jeans, joy, learn, modern, people, person, photogenic, portrait, pupil, satisfaction, school, shirt, smile, standing, student, study, teaching, teen, teenager, training, university, white, yellow, young, youth,