correct an error

例句：

1. 1. The teacher corrected the student's mistake during the exam.
   老师在考试中纠正了学生的错题。
2. 2.After reading the book, he corrected his own mistakes in the writing.
   读完书后，他在写作中纠正了自己的错误。
3. 3.The software developer corrected the bugs in the new version of the program.
   软件开发者在新版本的程序中修正了bugs。