Question

请从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。They will fly to Washington, ________they plan to stay for two or three days.

1. A.
   where
2. B.
   there
3. C.
   which
4. D.
   when

Answer 1

A
解析：
解析：考查定语从句关系词的判断。从句部分是“_{____}they plan to stay for two or three days”，因为先行词Washington在定语从句中作地点状语，所以选择关系副词where。