In it’s not shocking to see students in on college campus.A. 1990s; sixtiesB. the 1990s;

发布时间：2020-08-17 01:50:00

In      it’s not shocking to see students in      on college campus.
A. 1990s; sixties
B. the 1990s; their sixties
C. the 1990s; the sixties
D. 1990s; their sixties

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A. 1990s; sixties
(答案→)B. the 1990s; their sixties
C. the 1990s; the sixties
D. 1990s; their sixties
解析：考查词组：在多少世纪多少年代：in the+年代后面加s或‘s，还有在某人多大的时候，in one’s +岁数的复数，句意：在20世纪90年代在大学校园看见60几岁的学生一点不奇怪。选B。
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