Answer:
The more it dries, the wetter it becomes. What is it?
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 harder to catch the faster you run?
Taken from a mine and then locked up in a wooden case. I am used by students everyday.
I am a word of letters three. Add two and fewer there will be. What word am I?
No matter how little or how much you use me, you change me every month.