An investigation was made into the accident,________ fifty people were killed
问题描述：
An investigation was made into the accident,________ fifty people were killed
A) for that
B) where
C) when
D) in which
B为什么 不行?
答
这里后半句是修饰accident的,还原就是fifty people were killed in the accident
一个针对造成五十人死亡的事故的调查已经展开