请翻译成英语，

We graduated from Middle school for 15 years, and today I saw our shool will hold a 50th anniversary activities on daily, I hope you come back and work together to take part in

We have already graduated from the middle school for the 15th anniversary, have seen on the newspaper the Alma Mater will hold the celebration on 50th anniversary soon today, hope you can come back to participate in the activity together

个人翻译

It has been 15 years since we graduated from our middle school .
I come across the news that our alma mater would hold her 50th anniversary from the Daily News today.
And I wish you could come back and join it with me together.

We have graduated from middle school for 15 years. I saw on the daily news about the celebration of our school's 50th anniversary, hope you will come and participate.