我不小心把花瓶打碎了。

I accidentally ___broke the vase.

警方突袭了那家非法赌场，逮捕了所有在场人员。

The police ___busted the illegal casino and arrested everyone inside.

艺术家正在雕刻一个著名诗人的半身像。

The artist is sculpting a ___bust of a famous poet.

那位军官因为违纪被降职为普通士兵。

The officer was ___demoted to a regular soldier for breaking the rules.