He’ll never forget the years he studied in Oxford University.A. whereB. on whichC. whenD.

问题补充：

He’ll never forget the years he studied in Oxford University.

A. where

B. on which

C. when

D. which

答案：

A. where

B. on which

(答案→)C. when

D. which

解析：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。