题目内容
Why are mules helpless in dancing?骡子为什么在跳舞方面一塌糊涂?
They have two left legs.因为它们有两条左腿。
Why is Sunday the strongest day in a week?为什么说星期日是一周里最强壮的一天?
Why are giraffes the cheapest to feed?为什么养长颈鹿最省钱?
Why are dogs afraid to sunbathe?狗为什么害怕日光浴?
Why is the pig always eating?猪为什么没完没了地吃?