Answer:
What word is pronounced the same if you take away four of its five letters?
What do you call a pig that is no fun to be around?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
I belong to everyone. Sometimes make you happy sometimes make you sad. I will never end until the day you do.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.