根据短文，选择合适的单词填入短文下面的横线中。

    On June 15, I to play football with my friends in the afternoon. We went to the playground where we usually went. We were playing . Suddenly, I fell over and my leg . My best friend, Li Hua, took me to a . The doctor looked over my leg for a while. At the end, there aren't any big on my leg and my friends went home with me in case I would fall down .