บท 47: The Mysterious Number Sequence

“This is your final history class and my last class before retirement. After this class, I will retire officially…” the teacher said to the students at the beginning of the second morning class. Hearing this news, the whole classroom turned quiet. Even Zhang Tie could not imagine that this was the last class for the teacher. Since he entered the Seventh Male Middle School, he seemed to have gotten used to this gray-haired old man who would enter and leave the classroom quietly. He never thought that the senior would bid farewell to them on the rostrum. The moment the teacher delivered the news, even the fellows sleeping in the classroom seemed to become awake. They gaped at him and felt reluctant for his will-be retirement.

“Are you really going, teacher…” a guy in the front row poured out what the other students were thinking in their hearts.