---Where did you e across our Chinese teacher ?
--- It was in the supermarket I purchased mooncakes．
A. that
B. which
C. where
D. when
网友回答
A. that
B. which
(答案→)C. where
D. when
解析：考查定语从句：句意：--你是在哪儿遇到我们的语文老师的？--是在我买月饼的超市。说明是定语从句，先行词是the supermarket，定语从句缺少的是地点状语，用where引导定语从句。选C。