非洲谜语知多少？
摘要：
谜语一：What has a head and a tail but no body?答案：A coin（硬币）谜语二：What is black when it's clean... 谜语一：
What has a head and a tail but no body?
答案：A coin（硬币）
谜语二：
What is black when it's clean and white when it's dirty?
答案：A blackboard（黑板）
谜语三：
What goes up and never comes down?
答案：Your age（年龄）
谜语四：
What is deaf and dumb but always tells the truth?
答案：A mirror（镜子）
谜语五：
What has teeth but cannot eat?
答案：A comb（梳子）
谜语六：
What is full of holes but still holds water?
答案：A sponge（海绵）
