我本可以因为说了那句话而懊悔不已。

I could have ___kicked ___myself for saying that.

让我一直懊恼的是，我的伴侣也处于危险之中。

What kept me ___kicking ___myself was that my partner was in danger.

如果她错过了这个机会，她会非常懊悔。

She will ___kick ___herself if she misses the opportunity.