Unit 4（）Text B. VocabularyReplace the underlined word in the following sentence with one of these words and change the form where necessary. (intimacy, distribute, predispose, abrasion, toxic, entrench, alteration, prevalence, fibrous, deliberately)28. On

Unit 4（）Text B. VocabularyReplace the underlined word in the following sentence with one of these words and change the form where necessary. (intimacy, distribute, predispose, abrasion, toxic, entrench, alteration, prevalence, fibrous, deliberately)28. Once cultures appeared, they never ceased to change and develop, and these unstoppable changes are what we call history.
正确答案：alterations