Ключевые слова: adult, alone, attractive, back, blackboard, blue, boy, casual, caucasian, chalkboard, cheerful, class, classmates, classroom, college, cute, desk, education, ethnic, female, friendly, girl, guy, handsome, happiness, happy, indoors, joyful, learner, learning, lecture, lesson, looking, male, man, modern, people, person, portrait, sitting, smart, smiling, student, studying, t shirt, technology, woman, young, young adult, youth,