Ключевые слова: boredom, boy, caucasian, child, concentrate, cute, desk, difficulty, elementary, gray, happy, head, joy, kid, knowledge, learn, learner, little, notebook, one, pen, person, portrait, preschooler, primary, pupil, school, schoolboy, schoolchild, schoolkid, shirt, sitting, smile, student, studio, table, test, weary, write, young,