How many letters are in the alphabet?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What demands an answer, but asks no questions

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

I am the fastest animal but cannot climb the tree. What am I?

I am white when I am dirty, and black when I am clean. What am I?