After Lu Yao was taken away by the two invigilators, a backup teacher immediately came to take their place. Now that he saw the three of them return, he whispered with the two invigilators and then left.

The other students did not know what had happened at that time, but when they saw that Lu Yao returned but the weak boy did not, they generally knew what was going on.

Obviously, what everyone saw at the beginning was not true. Lu Yao did not cheat. The other one ...