Completar Frases Round 1Versión en línea A gap fill designed to listen for C-V blending por Edwards John 1 evolution over physical years in our ago in actions and time cultural and pass developed years ago Researchers may have found the history when humans first spoke . An expert believes that language started 1 . 6 million . This is eight times earlier than we thought . Experts thought spoken human language began 200 , 000 . Studies show that the first human language developed in Africa . The expert said speech was , " without doubt , the key which made much of ? human possible " . The expert wrote about human speech in a book called , " The Language Puzzle " . He says our brain got bigger 1 . 5 million years ago . An area for language brain . Another important development was of tissue that could make sounds , and therefore speech . Speech allowed humans to move all the world . It meant humans could think of and plan future , they could on knowledge .
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