这句英文哪里错了,该怎么改?、

题目

这句英文哪里错了,该怎么改?、
The reason of some students don’t go to exercise is that the exercise too tired.
部分学生不去运动的理由是因为运动太累了.

答案

句子有两个错误：

 some students don’t go to exercise 是用来解释 reason的,所以要把why改成of

宾语从句句式不对

可以改成

The reason why some students don’t go to exercise is that it's  too tired for them to exercise