Answer:
My dream room would be a (spacious / cosy) room, filled with everything I need for life. I would make it (colour) using (paint / wallpaper). In the corner, there would be a (furniture item) and next to that a (furniture item).
I (would / wouldn't) have a lot of (shelves / storage space) to put all my belongings and display them. Also, I (would / wouldn't) have posters littering my wall.
My dream room (would / wouldn't) be very neat and organized.
Choose one of the words within each bracket, to make it your own paragraph. Add more or less detail and maybe change the order it's in. Hope I helped