Answer:
What word is a plural, but when you add an "S" to the end, it becomes singular?
Two bodies have I, though both joined in one. The more still I stand, the quicker I run.
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk
I run around the city, but I never move.
I'm not man's best friend, I'm their enemy, I can mark your end, yet you do not see me, I am very small, but very tough, If you have me, then you have it rough.
What never gets any wetter no matter how hard it rains?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?