Ключевые слова: books, casual, cheerful, childhood, classroom, clever, college, day, desk, disturbance, education, elementary, european, female, friend, fun, girl, happiness, indoors, intelligence, joyful, knowledge, learner, learning, lifestyle, male, man, notebook, people, portrait, positive, pupil, school, schoolchild, schoolgirl, schoolkid, sit, smart, smiling, student, studying, teacher, teenage, teenager, two, woman, young, youth,