This question can be a tricky one. It is all about using your ability to summarise and recognise key information while constructing your writing using the appropriate form and matching language to audience.
It should take you about an hour.
You could be asked to write a letter, article, journal entry, blog or even an interview and it is important you sue the correct format. You've been going through these with your teacher but here is a brief idea.
For Letters - remember your conventions and use of sincerely and faithfully.
For articles - you might want to include a headline (you don't have......