Question

It’s reported that a UFO stopped over a mountain village for a while and then disappeared in the direction ______ it had come.

1. A.
   in which
2. B.
   from which
3. C.
   of which
4. D.
   by which

Answer 1

B
试题分析：考查定语从句，先行词是the direction，定语从句中come后面缺少介词from，句意：据报道，一个不明飞行物在一个山村上方停了一会，然后消失在来的方向。选B。
考点：考查定语从句
点评：考查定语从句一要看先行词，而要看从句的成分，如果缺少主宾表，要用that或which如果缺少状语，要用关系副词where，when或why。定语从句中缺少介词，要用介词+whom/which。