在这段期间，发音也经历了巨大的变化。
Pronunciation also ______ _______ huge changes during this period.
汉语与西方语言不同，区别在于它不使用字母，而是用汉字表示思想、物体和行为。
The Chinese language _____ ______ Western languages _____ _____, instead of an alphabet, it uses characters which stand for ideas, objects or deeds.
不幸的是，全城的人都被活埋了，整座城市也被淹埋了。
_______,people in the city were all buried alive, and _____ ______ _____ _______.
他被送上法庭之后极力为自己辩护。
After he was______ ______ ______,he tried his best to ______ ______.
希望工程旨在帮助贫困儿童上学。
Project Hope ______　______ ________help those children who are too poor to go to school.