Zeng Xiaoqian went out again and made a tour of all his ten classrooms, which were covered with dust and cobwebs. The desks were piled up in the corner of the classroom. They were already old and useless.

He rolled up his sleeves and began to work. He took out all the desks in the classroom and piled them up in a corner of the playground. There were many ready-made bamboo brooms in the school. He took the broom and cleaned every classroom carefully.

After being busy, I am very pleased to see the results of my work, and I feel a sense of satisfaction. It is not a simple...