What's the only room from which no one can enter or leave

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

What has a ring but no finger?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What is the centre of gravity?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Which is the rope you never skip with?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

If two's company, and three's a crowd, then whats four and five ?

I can write cow in 13 letters.

Can You?