Chapter 193 Frightened Mr. Zhang (II)

Several students looked at Xu Shao with narrowed eyes; their meaning was plain and clear. It was the second time the lab’s door was left unlocked. Without being reminded, Xu Shao felt ashamed of himself. It was a relief that they were not performing any secret experiment here today. The imprudence could have led to disaster otherwise. Still, Xu Shao took the warning to himself. No one had notice Xu Shao's subtle mind-absence, tho. All of their eyes were seized by the middle-aged man walking...