Ключевые слова: background, bad, blue, book, boy, caucasian, child, childhood, class, classroom, cute, desk, difficulties, doing, education, elementary, face, frustrated, frustration, hand, home, homework, indoors, kid, learn, learning, lessons, male, notebook, notebooks, one, person, primary, problems, pupil, sad, school, schoolboy, sitting, stress, student, studying, table, teenager, textbook, tired, white, write, young,