Ключевые слова: adult, background, black, book, books, boy, campus, casual, child, class, classmate, classroom, college, computer, desk, education, exam, female, friends, friendship, girl, girls, group, happy, higher, indoors, intelligent, knowledge, learn, learning, lesson, male, man, person, preparation, school, smile, smiling, student, students, study, studying, technology, teenager, together, university, woman, young, youth, youth culture,