防空导弹击落了一架入侵领空的无人机。

The anti-aircraft missile ___shot down a drone that intruded into the airspace.

她兴奋地提出了一个新方案，但经理当场就否决了。

She excitedly suggested a new plan, but the manager ___shot it down right away.

那名无辜的平民被狙击手残忍地射杀了。

The innocent civilian was cruelly ___shot down by the sniper.