Answer:
What goes through towns and over hills but never moves?
When I type I tap these on the keys
I can be found in seconds, minutes and centuries, but not in days, years or decades.
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
How did the farmer find his wife?