What in the world ……?
结构：疑问词+in the world/on earth/ever+其它
说明：此句型意为“究竟…?到底…?”。这是特殊<疑问句>的强调说法。in the world，on earth 和 ever是强调疑问词的<词组>.
How in the world will he do it?
他到底将如何做这件事?
What in the world do you mean?
你的意思究竟是什么?
How on earth did you know it?
你到底是怎么知道的?
Who on earth told you that?
那件事究竟是谁告诉你的?
Where ever did you lose it?
你到底在哪儿丢的呀?
What in the world are they hoping for?
他们到底想要什么?
责任编辑：洋洋
