Ключевые слова: academic, background, check, class, college, course, education, exam, examination, exams, final, flat, grade, graduate, grey, group, institute, keyboard, knowledge, lay, learn, learning, lesson, many, message, note, object, paper, passing, phrase, preparation, question, ready, scholarship, school, stationery, sticky, stress, student, studying, teach, test, top, university, view,