Multi-choice problem: Choose from the options at the end, and answer how do you do this: Learn how to get a wooden box ready to paint, to use for jump ups for athletes.

Select from:
1). Get a fine piece of sandpaper and smooth the wood by putting the sandpaper in the box, closing the lid and shaking it.;
2). Get a fine piece of sandpaper and smooth the wood by rubbing the sandpaper back and forth over the entire surface.;
2).