Once upon a time, there was a little rat. The rat was worried. He lost his toy. He looked and looked but he could not find it. The rat was very sad.
One day, he met a big dog. The dog saw the worried rat and asked, "What is wrong?" The rat said, "I lost my toy. Can you help me find it?" The dog was kind and said, "I will help you. Let's look together."
The rat and the dog looked for the toy. They looked under a tree and behind a rock. Then, the dog saw the toy in a bush. The rat was so happy! He said, "Thank you for helping me. You are a good friend." The dog said, "You're welcome. I am glad I could help." From that day, the rat and the dog were best friends. They always helped each other and never worried again.
