I admire my English teacher. I can remember very few occasions she stopped working because of ill health.
A. that
B. when
C. where
D. which
网友回答
A. that
(答案→)B. when
C. where
D. which
解析： 句意：我很敬佩我的英语老师，我几乎记不得有几个场合她因为生病不工作的。先行词是occasion“机会，场合”，表示时间，定语从句中不缺主宾表，缺少时间状语，用when应该定语从句，选B。