Ключевые слова: background, class, concept, copy, education, exam, examination, examining, exams, exercise, final, flat, graduation, grey, high, homework, knowledge, lay, learn, learning, lesson, marks, nobody, notebook, object, paper, pass, passing, pen, preparation, prepare, preparing, pupil, school, sheet, space, stationery, student, study, studying, subject, supplies, task, test, text, top, university, view, writing,