It is human nature to think back to a golden age one’s country was strong and respected.A

发布时间：2020-08-16 18:17:27

It is human nature to think back to a golden age      one’s country was strong and respected.
A. if
B. when
C. while
D. after

网友回答

A. if
(答案→)B. when
C. while
D. after
解析： 此句是对定语从句的考查，先行词为表示时间的词，且在从句中作状语，所以选when
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