Answer:
Tall in the morning, short at noon, gone at night. But I'll be back soon.
What do you throw out when you need it but put away when you don’t?
I know a word of letters three. Add two, and fewer there will be!
So cold, damp and dark this place. To stay you would refrain, yet those who occupy this place do never complain.
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
What did the piece of wood say when he saw the screwdriver and screws approaching?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?