What am I riddles

I am full of holes but I can still hold water. What am I?

To you, rude would I never be, Though I flag my tongue for all to see. What am I?

I go around all the places, cities, towns and villages, but never come inside. What am I?

Only one color, but not one size. Stuck at the bottom, yet I easily fly. Present in sun, but not in rain. Doing no harm, and feeling no pain. What Am I?

Poke your fingers in my eyes and I will open wide my jaws. Linen cloth, quills, or paper, I will devour them all. What am I?

I dig out tiny caves, and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help, yet many people are afraid to let me help them. What am I?

I am pronounced as a one letter alphabet. I am written with three letters. I am complete with just two letters. I am double. I am blue I am black I am brown I am gray I am yellow and I am green. I can read from both ends. I appear the same every way! What am I?

You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?

I live in the woods. I'm very big and furry. I have a big nose, a little tail and four legs. I like to eat fish and berries. I am a...

If I drink, I die. If i eat, I am fine. What am I?