Once there was a small boy named Bob. He came from a 1 family, struggling with life every day. One day, he was crossing the forest carrying some 2. He saw an old man who was very 3. Bob wanted to give the old man some food, but he did not have any. So he 4 walking. A few minutes later, he saw a deer who was very thirsty. He was eager to 5 him, but he did not have water. So he went on his way ahead.
Then he saw a man who wanted to make a 6 to keep warm, but he did not have wood. Bob 7 some wood to him. In return, he gave Bob some food and water. Then Bob went back to help the old man and the deer, who were very 8 .
One day Bob fell down from the 9 . He couldn't move because he was 10 . but no one was there to help him. 11 , the old man whom he had helped before saw him. He quickly came and pulled him up the hill. Bob had many 12 on his legs. The deer whom Bob had helped saw them and 13 to the forest and brought some herbs(草药). Soon Bob 14. All of them were very 15 that they could help each other.