Answer:
I am in the past, never in the future. I don't exist, but have existed. I saw what you saw, and this is what I will ever see. What am I?
What has one eye but cannot see?
I am round. I have only one line. Circle is not my name indeed. What am I?
I am the place to turn when nature calls.
What is black when you buy it, red when you use it, and gray when you throw it away?
My days are numbered.
What am I?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic