C324

"Hao, why are you here alone?" On the rooftop, Lin Xibei discovered that Cheng Haofan was there.

It was only until the third period that Lin Xibei finally finished writing all the questions on the exam paper. Counting the time when she was holding the exam paper onto the podium, the math old man was first stunned, but then he took her paper and flipped to the last question. After glancing at it