C30 Failure to Study

Su Nuonuo knocked on the door. After getting permission, she took a deep breath and walked in.

"Director." Su Nuonuo nodded and greeted him.

"Do you know why I called you here?" Tian Renmin asked with an ugly expression. He didn't even let her sit down.

Su Nuonuo pursed her lips and replied in a low voice, "I don't know