问题
选择题
Could it be in the classroom_____ we had a talk last night _____you left your keys?
A．that; where
B．in which; where
C．where; that
D．where; in which
答案
答案：C
考查强调句与定语从句的混合使用。第二个为强调句的后半部分，可以通过去掉it could be 和that来验证；第二格先行词在定语从句中作地点状语，故用where。选C。