Answer:
Two bodies have I, though both joined in one. The more I stand still the faster I run. What am I?
When it comes to me, you go on red and stops on green. What am I?
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
Everyone has me, but nobody can lose me. What am I?
I always have to work with something in my eye. What am I?
As round as an apple. As deep as a cup. All the king's horses can't pull it up.