A language is always changed. In a society 76.______ which life continues year after year without obvious changes, 77.______ even the change doesn’t change much, too. The earliest known 78.______ languages have difficult grammar but a small limit vocabulary (词汇).79.______ Over the centuries, the grammar changed and the vocabulary grown. 80.______ For an example, the English and Spanish who 81.______ canoe to America during the 16th and the 17th century 82.______ gave the name to all the plants and animals. 83.______ In this way, hundreds new words and expressions 84.______ and idioms introduced into English and Spanish vocabularies. 85.______