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.

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What month of the year has 28 days?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?