【题目】It is not rare in_____ that people in ______ fifties are going to university for further education.
A.90s ; theB.the 90s; /C.90s; theirD.the 90s ; their
在线课程【答案】D
【解析】
考查数词及代词。句意：在90年代50多岁的人很少能够进入大学继续深造。In the 90s在90年代；in one’s fifties在某人50多岁时。故选D。