Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

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?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What is at the end of a rainbow?

What is always in front of you but can’t be seen?

Can you name some countries which do not have the alphabet 'A' in them?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

Can anyone tell me a word in the English dictionary which has a silent 'z'?