I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

How can you leave a room with two legs and return with six legs?

It is always ahead of me yet I can never see it. What is it?

You can see it everyday, But cannot touch it at will. What is it?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

It belongs to you, but other people use it more than you do. What is it?

There is something which is always coming but never arrives?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?