问题
选择题
I often think of the years ____ I worked with the foreigners, ____ has had a great effect on my later life.
A．that; which
B．when; which
C．which; that
D．when; who
答案
B
根据句意,第一空需填关系副词when; 第二空which引导非限制性定语从句,指代主句的整个情况。