Tang Xiaorou asked with concern."What's up" Fang Yu asked back.Before Fang Yu had been seated for five minutes, Huang Hai arrived at the classroom door."Fang Yu and Tang Xiaorou, come out here." Huan...looked at the crazy old man and asked.Upon hearing this question, the old man's eyes changed noticeably.He looked at Fang Yu, then glanced up at the sky, let out a long sigh, and said, "As far as I kn...