Ключевые слова: achieve, advance, aim, ambition, arrive, ascend, backpack, book, catch, climb, cognition, college, course, culture, degree, education, examination, future, goal, graduation, growth, history, improve, intelligence, interested, know, ladder, learn, learning, lesson, literature, man, mathematic, motivation, rise, scale, school, science, stair, staircase, stairs, step, story, student, study, studying, teaching, textbook, theory, university,