Ключевые слова: abc, academic, alarm, background, class, clipboard, clock, college, color, communication, concept, course, education, educational, english, flags, flat, foreign, international, knowledge, language, lay, learn, learning, lesson, linguistic, notes, object, orange, paper, pencils, phrase, polyglot, school, speak, stationery, student, study, studying, teach, teacher, teaching, time, top, translate, university, view, vocabulary, written, yellow,