Zhang Yugun is head of Heihumiao Primary School in Henan Province. He (be) a person full of love and responsibility （责任）. 
After graduation in 2001, Zhang chose to work in the poor countryside. Over the past 21 years, he (see) many teachers come and go because of the poor conditions in the village. However, he has stayed on and made every effort to help the children deal with their (problem).
One winter, travelling on the mountain road was much (difficult) than usual. The school was about to start, but those(student) books were still in a town outside the village. Then Zhang and another teacher left early in the morning with a shoulder pole（扁担）. They carried back kilos of books When they (get) to the school, they were both covered in mud（泥）, but the books were protected (good)．In 2006, a cement road（水泥路） (build) in the village. So Zhang started to carry the books with a motorbike. Although four motorbikes broke down, he never (stop).
In order to provide better care for the students whose parents had left the village to find work in the city, Zhang asked his wife to give up her job to help (cook) and clean for the students. Thanks to the teachers like Zhang, the students in Heihumiao Primary School are able to learn at school and hope for a brighter future.
