题干
— 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
答案(点此获取答案解析）
B
— 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
