特殊疑问句what后面加什么

　　What time did you get here?

　　你什么时候到达这儿的？

　　What in the world did they think they were doing?

　　他们到底认为自己在做什么？

　　Things ain't what they used to be.

　　现在情况不比从前了。

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

　　不管怎么说，这仍然是个问题。

　　What do you charge for this type of work?

　　这种活你收多少钱？