Hard clean riddles with simple answers

They are twin sisters, same height; they work in the kitchen, arm in arm. Whatever is cooked, they always try it first.

I am the biggest alphabet, as I contain the most water in the world. Who am I?

A man is sitting in a pub feeling rather poor. He sees the man next to him pull a wad of £50 notes out of his wallet. He turns to the rich man and says to him, 'I have an amazing talent; I know almost every song that has ever existed.' The rich man laughs. The poor man says, 'I am willing to bet you all the money you have in your wallet that I can sing a genuine song with a lady's name of your choice in it.' The rich man laughs again and says, 'OK, how about my daughter's name, Joanna Armstrong-Miller?' The rich man goes home poor. The poor man goes home rich. What song did he sing?

If I have it, I don't share it. If I share it, I don't have it. What is it?

The front of me is the source of a song Or to kiss with a fervor of love lifelong. My back is a plant fit for a queen, Crafted by needle, chemical, or machine.

What starts with "P" and ends with "E" and has more than 1000 letters?

I am a fruit. Remove my first letter, it's a crime. Remove my first and last letter, it's a kind of music. What do you think am I?

What goes up and doesn’t come back down?

I have four legs but no tail. Usually I am heard only at night. What am I?

Where can you find rivers with no water, cities with no buildings and forests with no trees?