英语道歉信范文因未能及时还书致歉Unable to return borrowed book on time Dear Kate: Excuse me for my long delaying in returning to you your “Robinson Crusoe” which I read through with great interest. I had finished reading the book and was about to return it when my cousin came to see me. Never having seen the book, She was so interested in it that I had to retain it longer. However, I..