Gu Zi remained silent, indeed waiting for an explanation.
After a moment, Su Bing spoke up, "Mom, I've actually seen those problems before. They were in the books you bought for me, the ones you said I should read when I reach sixth grade. I finished them ahead of time, and I've done all the exercises in them."
Having said this, Su Bing lowered his gaze, aware that he had been disobedient.
His contrite demeanor was evident.
How could Gu Zi possibly be angry with him? She shook her head and laughed, "Never mind, I know you love reading. I can understand why you couldn't resist finishing all the books. But from now on, you really need to spend more time resting, okay?"