sorry

I’m sorry to hear that your father is suffering from a serious ____

---I’m sorry. I lost the key. ---______________.

I’m sorry to hear that your father is suffering from a serious ____.

I’m sorry to hear that your father is suffering from a serious ____

—Sorry, I have kept you waiting. —                          .

I’m sorry. I lost the key. ______________.

— I’m sorry that I’ve broken your radio． —          ．I have got another one in my office．

I’m sorry for being late．My car      on the highway．