handed it to Hao Ren, "Come on! Sing together with me!""Ah, no way! I can't do it!" Hao Ren hastily waved his hands."Come on, just the two of us, what are you afraid of" Xie Yujia enthusiastically thr..., and math teacher for grade eight students."Oh," Zhao Yanzi retrieved her notebook.This fluctuating attitude left Hao Ren unsure about her mood. Reflecting back, it seemed this was how modern kids be...