(阅读理解)Anny sat in their backyard(后院), thinking She was trying to think of a way to earn money during the summer vacation Suddenly, she had an idea! Her parents paid her to walk their dog every day Maybe other people would pay her to walk their dogsAnny went to many houses and asked the people if she could exercise their pets Some of the people didnt have a dog Ohters wanted to walk their own pets themselves, but five people did hire Anny She was delightedEvery morning that summer she walked the dogs By the end of the vacation, Anny had saved eighty dollars(1)What is the best title ( )