Mr. Evans lives in a city. He was a ____three years ago. He taught well and his students ____him and he decided to work in the middle school all his life. But a bad thing_____everything. One spring he took his class to____a place of interest. The children saw a lot of ____things and had a good time there. But on their way to school, their_____hit by a truck because the young driver drank a lot. The bus was badly damaged(毁坏).Five _____died and more than half of the children were badly hurt in the accident. He didn’t know how it happened and was______and after he came out of hospital, he left the school and became a _____ He tried his best to make the drivers ____ the traffic rules (规则). He worked hard and was strict with the drivers. So they are afraid of him.