Question

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

A．where

B．on which

C．when

D．which

Answer 1

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。