学进去

My father was born in a small town. The _______ was near a mountain. The mountain was green. The air was _______. People there loved their town very much and _______ planted many trees and flowers _______ the mountain. Near the mountain, people grew a lot of different _______. They also fed cows, horses, _______, chickens and ducks. The rivers were very clean, and people went _______ in spring and summer. Children played a lot of _______ together at the foot of the mountain. My father said they were not rich, but they were happy at that time.