Ключевые слова: book, books, boy, casual clothing, caucasian, cheerful, child, childhood, classmate, classroom, college, computer, cute, desk, discussion, education, elementary age, girl, group, happiness, indoors, intelligence, kid, knowledge, learning, lecture, lecture hall, lesson, lifestyles, man, multiethnic, notebook, people, portrait, school, school building, schoolboy, schoolgirl, smiling, student, study, studying, table, talk, teen, teenage, teenager, woman, work, young,