Ключевые слова: ask, calculator, clippers, comment, communication, comparing, education, eraser, evaluate, evaluation, exam, executive, experience, feedback, feel, grade, grading, grow, growing, growth, have, improve, improvement, knowledge, learn, lesson, letters, life, paper clip, pen, pointing, progress, question, quiz, recap, review, reviewing, ruler, school, schooling, summarize, summary, survey, teach, test, train, you,