Question

【题目】This is an________ city.

A. 80-year-old B. 80 years old C. 80-years-old D. 80 year-old

Answer 1

【答案】A

【解析】句意：这是一个80年历史的城市。80-year-old 80岁的，是合成形容词，修饰名词；80 years old80岁了；C选项中名词years不应该用复数；D选项在80和year之间应该用连字符。根据句意可知选A。