C383 Outer Water East Water and Wen Lai(8)

"Professor, don't just stand there. If you don't know how to solve this, call the director over. I think he should be in charge of this, right? "

Shui Dongliu seemed to be smiling, but in reality, there was a knife hidden in her smile.

"If even the teaching director is at his wit's end, let's directly talk to the principal in person." Shui Dongliu pointed at Wen Lai domineeringly and threatened