Вот правильная последовательность предложений в соответствии с текстом:
1. The boy's father and Dick worked in the field. (5)
2. The girl saw the fire. (1)
3. The boy began to stop the fire. (4)
4. The children brought water for their father and Dick. (2)
5. The boy's father promised to give him a good present. (3)