Answer:
Although a human shape I wear, mother I never had. By every miss I'm valued much, still my cruel fate is such by boys I am often despised. What am I?
What is black when you buy it red when you use it and gray when you throw it away?
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
The faster you run, the harder it is to catch me. What am I?
I am found in the sea and on land but I do not walk or swim. I travel by foot but I am toeless. No matter where I go, I am never far from home. What am I?
Give it food and it will live, give it water and it will die.