You can order them to build a castle for you or to fetch an Emperor's daughter from China for you to marry. Whatever you command, they'll do, and they'll do it before sunrise the next morning."
I didn't believe this, but I didn't disbelieve it either. I made up my mind to try it out. So I got an old tin lamp and an iron ring and rubbed and rubbed till I was sweating like a horse. But not a single devil turned up. Tom Sawyer had just imagined it all because of the books that he had read.
责任编辑：wangpeng6151
