Apologies, excuses and thanks

I am sorry I lost that old book you gave me.

• I appreciate that

• I was held up

• Never mind

• Sure

Sorry to keep you...

(a)  

A firefighter rescued your pet from a fire. What wouldn't you say to him?

• Cheers

• I am so grateful to you

• I really appreciate your help

• Thank you very much

I'm sorry to (a)   you so late, but my car's broken down and I don't have my phone with me.

What do your colleagues sometimes apologise for?

I need to answer the phone immediately. I won't be (a)   .

What excuse is it okay to make to skip work?

What would you write in a formal letter?

• Pardon! I had no time to answer you.

• I am really really sorry but I couldn't reach you earlier.

• I must apologise for the delayed response.

• Excuse me, I didn't have an opportunity to write you back.