Answer:
I'm not a bird but I can fly through the sky. I'm not a river but I'm full of water.
I'm white and I'm used for cutting and grinding. When I'm damaged people usually remove me. What am I?
There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What is it?
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
What happens once in June twice in August and never in May?
A little house full of meat, no door to go in and eat.