Zhang Daping turned on her new house heater（加热器） and got the meals ready. Then she waited for children to arrive at her home after school. She was a little tired， 1 she felt happy.
Of the 180 students at Lingsha Central School in Pingluo，Ningxia，half are left﹣behind（留守的） children . To stay with the children and help them with their homework，some people2 after﹣class schools. Zhang's home is one of them. "Teachers give free lessons，and I just 3 space. It is not difficult for 4 ，"the 65﹣year﹣old woman says.
Teachers take turns going to Zhang's home to help the children. Now Mrs. Yang is helping them study for a 5 . One of the students says 6 he will get a good grade because he has studied really hard.
Zhang's home is a（n）7 school in Pingluo. After﹣class schools can be found in 22 different places there. A few parents and people 8 Zhang Daping take care of the children.
Students call Zhang's place Granny's desk. There they can 9 with each other and learn to be friendly. They don't feel lonely. The headmaster says the schools are good for children's10 .
