完成句子（共8小题； 每空0.5分， 满分11分）
78. ________ the fact, French still had an ________ on the English __________.
尽管如此，法语仍然对英语有着巨大冲击。
79. By the latter half of the 14th century, English was _________ by all __________ in England.
到14世纪下半叶，英语被英国所有阶级所采用。
80. ____________ also ___________ huge ________ during this period.
发音在这段时期也经历了巨变。
81. Chinese ________ numerous __________ to _________ ideas, objects or actions.
中国人发明了大量的汉字来表示思想，物体和行为。
82. All the people were ________ _________, and _________ was the whole city.
所有人都被活埋了，整个城市也被掩埋。
83. We are off to Naples to visit the museum that ________ many of the _________ from Pompeii.
我们即将动手去那不勒斯拜访那座收藏了许多来自Pompeii的珍品的博物馆。
84. ____ ________ ________ silk, China received wine, spices and other goods.
中国用丝绸交换酒、香料和其他物品。
85. PSAs are often placed ________ _________, and are _________ to educate people about health, safety or any other issue.
公益广告往往是免费投放的，其目的是就健康，安全或者其他问题对人们进行教育。