问题补充：
The school we visited last week is the one the singer was born.
A. where, where
B. where, which
C. which, where
D. which, that
答案：
A. where, where
B. where, which
(答案→)C. which, where
D. which, that
解析：考查定语从句：第一空填which，先行词是the school，定语从句中缺少宾语，第二空填where，定语从句缺少地点状语，句意：上个星期我们参观的学校是歌手出生的地方。选C。
