Ключевые слова: abc, background, book, british, caucasian, child, class, college, communication, concept, conversation, course, dictionary, education, educational, english, foreign, girl, grammar, happy, international, kid, knowledge, language, learn, learning, lesson, online, person, pupil, read, school, speak, speech, student, study, studying, teaching, text, translation, university, vocabulary, white, word, young,