写一篇短文,讲述一件你亲身经历的事，谈谈当时的情景和你的感受。 
第一篇:
     i was going home when i saw the accident. i was walking down the street when a car hit a man. i was scared and shouted, so i called the police. but i forgot the car number and couldn’t help the police.
第二篇:
     yesterday i went to school. when i came to the bus station, i saw more than forty people were burning in the fire. it was horrible. i ran away.