请找出以下英语句子中的错误并改正

题目

请找出以下英语句子中的错误并改正
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

答案

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.
主要是定冠词和冠词的误用.