This Is Puzzle

Question: This is this puzzle. This is is puzzle. This is how puzzle. This is to puzzle. This is keep puzzle. This is someone puzzle. This is busy puzzle. This is for puzzle. This is forty puzzle. This is seconds puzzle.

Question: Why did the hen cross the road?

Question: What do you call a sad bird?

Question: What is an astronaut's favorite key on the keyboard?

Question: What is the tallest building in the world?

Question: What tastes better than it smells?