s vice monitor, she frowned slightly, "Oh, I forgot. Which problem are you stuck on Anyway, tomorrow is the last day before vacation. Can we talk about it when you come to school"Dong Qingyun waved hi...assignments.Su Cen looked at Chen Lingshan with a smile, "I didn't have time to do it yesterday because I had a lot going on." Indeed, he was quite busy lately as he was reading one historical mystery...