题目内容

【题目】It's not rare in __________ that people in __________ fifties were going to college for further education.

A. the 1990s;/

B. 1990s;/

C. 1990s their

D. the 1990s their

【答案】D

【解析】在20世纪90年代用in the 1990s或in the 1990's;表示在某人50多岁时用in one's fifties。

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