问题
选择题
He’ll never forget the years _______ he studied in Oxford University.
A．where
B．on which
C．when
D．which
答案
答案：C
考查定语从句。句中先行词为the years在从句中作时间状语，故用关系副词when。句意：他将永远不会忘记他在牛津大学学习的那些年。
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