【正确答案】[范文]
   
   In order to enrich after-class activities and improve our ability to speak English, our students' union will hold an English Speaking Contest on Wednesday afternoon next week.
   Several native speakers from Britain and America will attend our contest and will give comments on the speeches.
   Those who are interested in English and are willing to take part in the contest may come to your monitor to sign up before this Saturday. Anyone who takes part will be awarded and look forward to your active participation.
   Time: 1:30 pm, next Wednesday.
   Place: Room 404, the Main Building.