How is everything getting along with you? (问候：你一切都好吗？)
I am more than willing to tell you some relevant information (我很乐意告诉你一些消息). It is from 8am to 12am next Friday that contest will be Held on the playground of our school so as to ......(这是在我们学校操场于八点到十二点举行，目的是为了…)(时间和地点可以换)
What you need to do is to sign up by an email to……or go to students Union to fall in application from。(报名的方式是发邮件到…或者到学生会报名)
It goes without saying that(不言而喻) Not only…but also…(不仅如此…还能…)(可以写好处) ，That's the reason why….(这就是…的原因)
As far as I am concerned (就我看来) you should taken an active part in.(你应该参加)
And please keep in mind it's required to finish in ......minutes.(请记住这要求在…分钟内完成)
If you need more detailed information or help，please don't hesitate to turn to me(如果你需要更详细的信息或者帮助，请不要犹豫向我求助)
May you succeed(祝你成功)
I would appreciate it if you could reply me at your convenience(如果你能在你方便的时候回信，我将不胜感激)