The worst accident occurde in,that 170 people killed when a

问题描述：

The worst accident occurde in,that 170 people killed when a passenger plane crashed on August 22.
The worst accident occurde in,（）170 people killed when a passenger plane crashed on August 22.
这个空应该添什么,为什么?

1个回答分类：英语 2014-10-07