Ключевые слова: background, black, blackboard, chalkboard, classes, club, college, communication, composition, conversation, country, course, dark, different, education, english, flat, foreign, grammar, international, items, knowledge, language, lay, learning, lesson, letters, linguistics, native, object, phonetics, pronunciation, pupil, school, sound, speak, speech, stationery, student, study, studying, subject, supplies, talking, teaching, text, top, university, view, word,