This class is a biology class. Joe took out his textbook with his head drooping and his face depressed, and quickly browsed the contents of the previous class.

Carmen took a breath and relieved. If it weren't for the critical moment when the bell rang, she really didn't know if she wanted to agree to Joe's unreasonable demands.

Forty students, whether naughty boys or coquettish girls, all took out their textbooks and seriously reviewed the contents of the last class.

Why?

Damn,it is the biology teacher is a fucking pure and rippling tigress?

Ta-da!

Joe knew that Lee, the biology teacher, was coming when the sharp heel of small leather...