Ключевые слова: academic, adolescence, attentive, bench, book, bookcase, bookshelf, boy, casual clothing, caucasian, child, chinese, classmate, communication, concentration, development, education, female, focused, friend, friendship, girl, homework, information, intellectual, intelligent, knowledge, learn, learning, leisure, library, lifestyle, literature, male, mixedrace, modern, pen, reading, school, schoolboy, schoolgirl, secondary, sitting, student, study, studying, teenage, teenager, together, wisdom, writing, youth,