: Section 3 Come to me to get a physics paper after class, and talk about it together in the next cl

: Section 3 Come to me to get a physics paper after class, and talk about it together in the next cl

Tian Tian asked cautiously, "Is it the previous difficulty or improved training?"

Wen Zhihan smiled: "Improve training, do it seriously, I want to check."

Tian Tian's eyes darkened.