Before I was twelve years old, my family lived in the mountains. Our house was very far from my school. It took me one hour to walk to school every morning. It was a happy time for me, because I could 1, and we would go to school together. There were just six classes in my school, and only about ten students in each class. We 2; the mountains were our playground. I still remember the different kinds of flowers, the songs of different birds, and the colors of trees in different seasons — everything was so 3. Even now I still miss my life in the mountains.