这种疾病在几乎所有情况下都是致命的。

This illness is ___fatal in almost all cases.

一名手无寸铁的15岁少年被枪击致死。

The shooting of an unarmed 15-year-old was ___fatal.

保罗头部中弹，伤势致命。

Paul received a ___fatal shot in the head.