Ключевые слова: beautiful, blackboard, book, caucasian, chalkboard, class, classroom, college, desk, education, exam, female, girl, happy, indoor, knowledge, learn, lifestyle, math, mathematics, paper, pen, people, person, portrait, pretty, pupil, reading, school, schoolgirl, sit, smile, smiling, student, study, studying, teacher, teen, teenage, tutor, university, woman, work, young, youth,