以asurprisingreward为题写一个帮助他人与得到回报的故事英文作文

On the way to school today, i saw a cat trapped on a tree, and an old woman stood beside the tree, crying. I took of my shoes and climbed up the tree. The cat was rescued. The old woman was very happy.
When I was eating dinner with my family, we heard a knock on the door. I went to open the door. An old woman stood outside, holding a box. She was the owner of the cat I rescued today. She gave me the box and said"thank you" and walked away. I opened the box. A kitten jumped out. What a surprising reward!