问题补充：
I shall never forget those years I lived in the country with the farmers, has a great effect on my life.
A. that; which
B. when; which
C. which; that
D. when; as
答案：
A. that; which
(答案→)B. when; which
C. which; that
D. when; as
解析：考查定语从句，第一空填when，修饰先行词those years，而且定语从句中缺少的是时间状语，第二空填which，引导非限制性定语从句，指前面的句子，意思是：这，那，句意是：我永远不会忘记和农民一起在乡村的日子，这对我的生活有着很大的影响。选B。
考点;考查定语从句
