C1031 1031

Ren Zidong had a deep understanding of SIM. In fact, he had guessed the direction of the exam for several years. Studying every question Ren Zidong set had become a habit at the base. However, after an entire day, there was still no progress on the experiment. To everyone present, it was a humiliation. Han Shuangjiang struck everyone where it hurt most, a single cut. No one could hold back