Answer:
I wear a red robe, with staff in hand and a stone in my throat. What am I?
I have a mouth on my head and eat everything.
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
I come out of the earth, I am sold in the market. The one who buys me cuts my tail, takes off my suit of silk, and weeps beside me when I am dead. What am I?
The more holes you cover the lower I go.
What never gets any wetter no matter how hard it rains?