4 is the answer because It looks like the correct one ,like it’s the best answer from the rest
Answer:
what? wdym by "sentence a an"
Explanation:
Dear ______,
I'm sorry that I damaged your book . for it was an accident. I hope you can forgive me. if I can I could help you get a new one or do another small favor in return.
I'm sorry and best best regards,
__________