You have lost your friend‘s book in the park. write a note of 50-80 words to your mend in which you: - apologise for losing his or her book - explain how it happened - suggest buying him or her a new one.
My dear Friend, I want to apologise That I lost your book. When I was in the park I was playing with my dog, and I left your book on the bench. So when I return there somebody has taken your book alredy. But I promise I'l buy you the same book as soon as possible.