Ключевые слова: academic, achievement, asking, background, career, challenge, change, class, clock, college, concentration, concept, copy, education, exam, final, future, grass, investment, knowledge, learning, marketing, message, new, notebook, opportunity, passing, plan, prepare, question, ready, school, sign, space, strategy, stress, student, study, success, table, teacher, test, text, time, university, word, work, writing, yellow, you,