C173

Cheng Haofeng hesitated for a moment, but still said, "Actually, I think I know the cause of Chen Qingqing's death!"

Liu Cheng and Lin Lan looked at each other in surprise. He hurriedly asked, "What do you know? Say it! "

Looking outside the window, Cheng Haofeng indifferently said, "As early as half a month ago, on the way back to school