1过去式：ran
过去式题目：
1. He _ran_(run) off down the street. 他沿着街道跑远了。
2. A horse without a rider _ran_(run) past. 一匹没有人骑的马跑过去了。
3. Suddenly a rabbit _ran_(run) in front of us,and the dog made after it. 突然在我们面前有一只兔子在跑，于是狗就追了上去。
4. Lots of students _ran_(run) out to see what had happened. 许多学生跑出去看发生了什么事情。
5. I got left when all the others _ran_(run) ahead, as I could not run so fast. 其他人都跑到前面去了，我落在了后面，因为我跑不快。
2过去分词：run
过去分词题目：
1. Too few tests have been _run_(run). 这方面很少有实验来证明。
2. Have you known someone whose toes or feet have been _run_(run) over by cars while crossing the street? 你是否知道有人在过马路时被汽车压过脚趾或脚？
3. He had _run_(run) a few dozen marathons before, so he was hardly a beginner. 在此之前，他已经跑过几十次马拉松了，所以他应该不算是初学者。
4. Then the little boy's mother remembered the day about a year before when a deer fleeing a hunter had _run_(run) into her house. 随后，小男孩的妈妈想起了大约一年前的一天，一只躲避猎人的鹿跑到了她的屋子里。
5. And it is only when they are gone that I saw how much they had _run_(run) my life. 等这些恐惧都不见了，我才发现它们对我生活的影响到底有多大。
