Ключевые слова: book, boy, casual, cheerful, child, childhood, class, college, day, desk, education, elementary, european, female, friendly, fun, girl, happy, indoors, intelligence, joy, knowledge, learn, learner, lifestyle, male, man, notebook, person, portrait, positive, pretty, pupil, school, schoolgirl, schoolkid, sitting, smart, smile, student, study, talking, teen, teenage, two, woman, young, youth,