congratulations与congratulation有什么区别？

congratulations与congratulation有什么区别？

July 6 2009It was the first day of our summer holiday. All of us were very happy. Why? Because we have one months to do things we love to do. We are free.Although we have some homework. But we can finish them in several days. And the rest time we can make good use of. My god! We have been very tired after hard studying. In winter holidays, I want to have full sleepand eat good food in order to replenish myself. Last but not the least, I will have a good rest.这是第一天，我们的暑假。我们大家都非常高兴。为升友什么？因为我们有一个月的事我们都爱做的事。我们很空滑正闲.虽然我们有一些功课。但是，我们可以完成他们的若干天。其余的时间我们可以好好利用。我的上帝！我们已经很疲惫后很难学习。在冬季假期，我希望能有吵让槐充分的很好吃的食物，以补充自己。最后但并非最不重要，我会好好休息。