她年纪轻轻就悲惨地去世了。

She ___tragically passed away at a young age.

可悲的是，这种药物的副作用直到许多人受到严重伤害后才被发现。

___Tragically, the side-effects of the drug were not discovered until many people had been seriously damaged by it.

在使他重见光明后，她却悲惨地消失得无影无踪。

After restoring his vision, she ___tragically vanished without a trace.