问题
选择题
I can never forget the days _____ we worked together and the days ______ we spent happily together.
A．for which; that
B．which; when
C．when; which
D．on which; when
答案
答案：C
题目分析：考查定语从句，先行词是the days，第一空填when，因为定语从句中缺少时间状语，第二空填which，因为定语从句中缺乏宾语，句意：我永远不能忘记我们一起工作的日子和我们一起快乐度过的日子。选C。