英语作文，你是李明，丢失了一本上周从图书馆借来的书，给图书馆写一封道歉信

Dear curator： Hello，my name is LiMing.Now i have to state a fact that i have lost the book which i had borrowed from library last Monday. I feel so sorry for my mistake which cause that is lost to the library.I promise that i will be careful for these books i borrow. I will pay the book,i hope for the forgiveness from you,thanks a lot. LiMing

假定你是李华你的朋友李明写信告诉你他因不善于交友而苦