题目内容：

Wallet Back

    This is a story about a learning experience that had a big effect on the way I live my life．The ______in the story did not give me tests or even grade me on my work．I was taught by one of the most effective___ ___ of teaching，one that only people with lots of love can do．

“My wallet! Where is it?” were my first words ______ I found my wallet was missing．I ______ my memory for a few good seconds, then realized that I had left my precious wallet in the library’s public ______ ! Because the library was now ______, I had to wait until the next morning to look for it．When I got there the next day, all I found was a clean restroom．This was the first time I could remember ever___ ___ to see a clean restroom．As I walked out，I looked at myself in the mirror and shook my head at the ______  fool in front of me．

I politely ______ the librarian at the front desk and asked her if a wallet had been found in the restroom yesterday．“No．”That was that．I walked off with a sense of ______．

I ______ what I would do if I had found a wallet with sixty dollars，a phone card and other irreplaceable ______ things．Finally，I ______ accepted the fact that my wallet was gone．

    A week later，I received a ______  in the mail．It was my wallet! And most ______ ，nothing was missing! But there was a letter folded up in one of the wallet pocket that had not been there before．I slowly unfolded the letter，which ______ something like this:

When we continue to help people around，we will live in a larger and more rewarding world．

This person didn’t even leave a return address．So I couldn’t ______ whoever it was．But from that day on，I ______ myself that l will follow this ______ and help others and make them as ______as I was when I opened that parcel!