C533 It Is Imperative

Ning Long's hand that was holding the pen stopped.

She looked down at her exercise book and did not move for a moment.

"There are some homework that you don't know about. Just leave it for now, I'll teach you later." Xiao Xiye added.

Ning Long replied with an "Oh," and got up. Lowering his head, he packed his books and left the study without saying a word