Answer:
I am a nut with a hole
The more you have me the less you see. Shine a light on me and I shall flee.
I can go through glass without breaking it.
I jump when I walk and sit when I stand.
I am a certain five-letter word and become shorter when you add two letters to me. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk