Answer:
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
You heart it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung.
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
What common verb becomes its own past tense by rearranging its letters?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.