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