问题描述：
The reason why English has changed over time is ______ all languages change and develop
when cultures meet and communicate with each other.
答案是that,请从语法角度解释为什么这样填.
when cultures meet and communicate with each other.
答案是that,请从语法角度解释为什么这样填.
问题解答：
我来补答展开全文阅读