1 . 当我从马上摔下来时，疼得大叫一声。幸运的是，我只受了一点轻伤，感到活着就       是幸运的。
I ________ ________ ________ ________ of pain when I fell from the horse. Luckily, I just got some minor injuries and ________ ________ ________ ________ ________.