A language is always changed. In a society　　　　　　　56._________
which life continues year after year without obvious changes,　　　　57._________
even the change doesn’t change much, too. The earliest known 　　　　58._________
languages have difficult grammar but a small limit vocabulary(詞匯).　　　59._________
Over the centuries, the grammar changed and the vocabulary grown.　　　60._________
For an example, the English and Spanish who 　　　　　　　61._________
came to America during the 16th and the 17th century 　　　　　　62._________
gave the name to all the plants and animals. 　　　　　　　　63._________
In this way, hundreds new words and expressions　　　　　　　64._________
and idioms introduced into English and Spanish vocabularies. 　　　　65._________