What does below rebus means ?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Find the smallest sentence with all the English alphabet.

I always drive my customer away.

Who am I?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

What number when divided in half becomes zero?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?