one sunday afternoon when i was learning to ride my bike, i fell down and hurt my arms badly. as soon as my parents heard this, they took me to the hospital at once.

　　during my stay in bed, they took good care of me and cheered me up. meanwhile, they helped me with my lessons. with their help, i caught up with my classmates. now i'll try my best to study well to repay my parents.

　　【参考译文】

　　一个星期天的下午，我正学着骑自行车时，我摔倒了，胳膊伤得很厉害。父母一听说，就立刻把我送到医院。在我卧床养伤期间，他们静心照顾我，让我高兴起来。与此同时，他们还帮我学习。

　　在他们的帮助下，我赶上了我的同学。现在我要尽力学好功课来报答我的父母。