Ключевые слова: academic, background, blackboard, board, chalk, chalkboard, check, class, classroom, college, color, concentration, copy, course, education, exam, examination, exams, grade, graduate, green, handwriting, high, institute, knowledge, learn, learning, lecture, lesson, message, object, passing, phrase, preparation, question, ready, scholarship, school, space, stress, student, study, teach, test, text, university, wallpaper, white, you,