Question

【题目】— How old is Mr. Gao?
— He is more than thirty. I think he was born _________.
A.in the 1980
B.in the 1980s
C.on the 1980
D.on the 1980s

Answer 1

【答案】B
【解析】句意是：—高先生多大了？—他三十多岁，我想他是出生在二十世纪八十年代。in the 1980s 是固定表达法，表示“在二十世纪八十年代”，故选B。