Finally we decided to fly to France for the winter holiday on our first stop， we planned to stay for three days．
A. when
B. there
C. which
D. where
网友回答
A. when
B. there
C. which
(答案→)D. where
解析：句意：最后我们决定寒假第一站到法国，在那里我们计划呆三天。本题的先行词是France，定语从句为we planned to stay for three days.句子的结构很完整，使用关系副词，先行词又是指地方的，故where正确，选D。