Question

Snowden arrived at Sheremetyevo International airport on June 23, ______ he was prevented from leaving for six weeks after the U.S. canceled his passport.

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

Answer 1

B
试题分析：句中Sheremetyevo International airport是先行词，其在定语从句中作地点状语，故用关系副词where引导。句意：斯诺登于6月23日到达Sheremetyevo国际机场，美国取消他的护照之后，他在那里被滞留6个星期。
考点：考查定语从句的关系词。