英语高手请进啊,简单的英语.

题目

英语高手请进啊,简单的英语.
改错：
1.the students are swimming in the river.
2.Mrs king'daughter is lost she is finding her.
3.the class is listening to teacher.

答案

改为
1.students are swimming in the river.
2.Mrs king'daughter is lost she is looking for her.
3.the class are listening to teacher.