问题
选择题
Is this factory _____ your sister used to work?
A．that
B．the one which
C．where
D．the one where
答案
答案：D
考察定语从句，该句的陈述句为this factory is _____ your sister used to work?
选择D，是定语从句，先行词为the one(即 this factory），在从句中作地点状语。故选择where ="in" which
