Ключевые слова: book, books, calendar, chairman, colors, communicate, communication, countries, course, courses, cover, cultural, cultures, education, flag, flags, green, holiday, holidays, hut, icon, internet, italian, italy, knowledge, language, languages, learning, listening, mao, multilanguage, nation, national, page, pied, professor, proud, red, school, site, speak, speaking, spice, student, symbol, talk, talking, travel, traveling, understanding, version, web, white,