以"a lucky thing"为题写一篇英语作文不少于70词

An interesting thing
One day,my mother and I went to a park.We had a good time and we decided to have lunch in the park.My mother bought some milk and bread.My mother told me to wash my hands before lunch.However,when we came back,our bread was gone!We thought that someone took it.We are very angry.I thought that the thief would come back to take the milk.So,my mother and I hid behind a tree and waited.One hour later,no one came and we were very hungry.We gave up and we wanted to go home to have something to eat.Suddenly,I found something under the chair.Oh,its our bread!