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.

新闻中报道了对一名手无寸铁的15岁少年的致命枪击。

The news reported the ___fatal shooting of an unarmed 15-year-old.

保罗头部中弹，伤势致命。

Paul received a ___fatal shot to the head.