Lin Shengyu, a boy in the second grade of middle school, heard a rumor from his mother. There was a cave at the foot of the mountain next to their school and he was not allowed to stay there. But the boy in the second grade of middle school was a boy in the second grade of middle school. Later he found out that this rumor was actually true...
Intention: This is just an assignment assigned by the teacher during the previous winter vacation. .