How many letters are in the alphabet?
【谜底：eight】
What is never used until it's broken?
【谜底：An egg】
Which letter is a kind of vegetable?
【谜底：P(pea)】
What is the biggest ant in the world?
【谜底：an elephant】
What is in the middle of the world?
【谜底：the letter “r”】
