To talk and also be understood by other people, we have to speak a language, that is, we have to use combinations of (2) _______ that everyone agrees to stand for a particular object or i

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To talk and also be understood by other people, we have to speak a language,that is, we have to use combinations of (2) _______ that everyone agrees to stand for a particular object or idea.

systems

sounds

languages

talks

Giải thích

Sound = âm thanh. Language = ngôn ngữ. System = hệ thống. Talk = bài nói, cuộc trò chuyện