那帮强盗在持枪抢劫便利店时被警察当场抓获。

The gang was arrested while ___robbing a convenience store at gunpoint.

那个骗子通过虚假投资方案骗取了许多老年人的毕生积蓄。

The scammer was convicted of ___robbing many elderly people of their life savings through fake investment schemes.

这场事故剥夺了他参加毕业典礼的机会。

The accident ___robbed him of the opportunity to attend his graduation ceremony.