很抱歉我弄坏了你的玩具。

I'm ___sorry I broke your toy.

不好意思，我现在没空帮你。

___Sorry, I'm too busy to help you right now.

他对忘记你的生日感到非常抱歉。

He felt ___sorry for forgetting your birthday.

抱歉，今天餐厅已经客满了。

___Sorry, but the restaurant is fully booked today.