Fun Riddles

Question: I have Eighty-eight keys but cannot open a single door?

What am I?

Question: Two children are born in the same hospital, on the same year, on the same day, and have the same father and mother. But they are not twins.

How is this possible?

Question: What is harder to catch the faster you run?

Question: Dracula was out getting a drink but his watch was broken so he died.

Why?

Question: If you aim to give us a shot, we'll riddle you.

What are we?