A couple have a son and a daughter,and they are twins.They live in a t__1_ near nanjing.Their house is very small with only three rooms.No washing machine,and no f__2_ to keep food in.The twins are b__3_ students.They are in the n__4_ garden this year.They must do a lot of homework at home.But they don't have a s__5_.They have to do their homework at the dining table.Every morning ,they go to school on one bike.And when they are b__6_ from school, they do a lot of housework for their parents.They live a hard life.But the family is always f__7_ of fun.They often sit on their old sofa and chat about school life and the children's beautiful f__8_ there. The family become famous b__9_ donates 2,000 yuan to Project Hope.When people ask them why they so generous,the father always says,“We kown h__10_ people feel when their children can't go to school.”