Answer:
I look at you, you look at me. I raise my right, you raise your left. What am I?
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
I am bought by the yard but worn by the foot
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
I twist and turn and leave a loop. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?