请找出以下英语句子中的错误并进行改正 Enid Blyton was thr British writer who published over 600 children's books.Blyton was probably a most successful British children's writer of a twentieth century. 把答案写出来
Enid Blyton was a British writer who published over 600 children's books.Blyton was probably the most successful British children's writer of the twentieth century.