sorry
                    - I’m sorry to keep you ______ for an hour. Now let’s begin our work.
 - I’m sorry you have missed the bus. It _____ five minutes ago. — What a pity!
 - I’m sorry, I forgot ______ my homework to school .
 - Can you speak French?–Sorry, I______.
 - Sorry, he _____ help his mother.
 - Sorry, I’m late. My alarm clock didn’t _______ — It doesn’t matter. Don’t be late next time.
 - Sorry, Mr Green. I have_______my homework at home.—Never mind. But don’t forger next time.
 - Sorry, Miss Smith. I my homework at home.
 - I’m sorry I can’t find the library book anywhere.— So…I’m afraid you have to _________ it.
 - I’m sorry to____ your time.–It doesn’t matter.