Answer:
I have four wings, but cannot fly, I never laugh and never cry; On the same spot Iโm always found, toiling away with little sound. What am I?
Where I am there is no south, west, nor east, and weather is not fit for man or beast. What am I?
There's a one-story house in which everything is green. Green walls green windows green doors. What color are the stairs?
Open me, and you can't see me without a mirror. Close me and you can't see me at all. What am I?
What gets whiter the dirtier it gets?
What begins and has no end? What is the ending of all that begins?