76.【答案】Values
【解析】根据In this fast-paced world, many values are undergoing major changes.可知人们的价值观在变化。
77.【答案】place
【解析】根据文章的prioritize可知：prioritize和put。。。in the first place是同义表达，都是优先和置于首位的意思。
78.【答案】concerned
【解析】根据modern people seem to be more self-absorbed and self-concerned.可知其与Nowadays, people seem to be more concerned about themselves.为同义句表达。
