You forgot your friend's birthday and didn't attend the celebration. Write a letter to your friend apologizing for missing their birthday. You should include details about: - why you forgot the birthday - how you feel about missing the celebration - what you plan to do to make it up to your friend.

Dear friend! I’m writing you to excuse, I forgot about your birthday and didn’t attend the celebration. I’m really sorry, that’s my mistake. However, I had one reason why I forgot about your birthday. As you know I had an exam on Monday and I really stressed about it, because I needed a good mark […]