Sure that you are an expert bowler. Practice virtual bowling and knock all the pins. Use the mouse to guide your shot. Maintain pressed the left-mouse button to choose the power of the shot.
Help the fisher get all the fishes he can. Pay attention, that way when they bite the spear, you can get it out of the water using the space bar. Use the arrows too.
How about some baseball practice? You'll start by playing little matches on the streets, and you'll end up playing for the major leagues. Use your mouse.