例句:
When was the last time you saw her?
你上次是什么时候见到她的?
When will the information be made available?
何时才可以了解到情况?
What in the world did they think they were doing?
他们到底认为自己在做什么?
I don't know what you're on about.
我不懂你在谈什么。
Who would have thought to find you here?
谁会料到你在这儿呢?