what放開頭引導什么從句

　　What in the world did they think they were doing?

　　他們到底認為自己在做什么？

　　Things ain't what they used to be.

　　現在情況不比從前了。

　　Call it what you will, it's still a problem.

　　不管怎么說，這仍然是個問題。

　　What do you charge for this type of work?

　　這種活你收多少錢？

　　What do you charge for work of this type?

　　這種活你收多少錢？