The school you visited yesterday is the place I once learned .
A. where; that
B. where; where
C. which; where
D. that; which
网友回答
A. where; that
B. where; where
(答案→)C. which; where
D. that; which
解析： 考查定语从句的关系词。The school you visited yesterday中先行词是The school，在定从 you visited yesterday中作visited的宾语，要用that或which引导；the place是先行词，在定从 I once learned中作地点状语，用where引导。所以选C。