And we are calling upon the African Union and their president Moammar Gadhafi to do whatever they can to intercede with the Eritrean government in order to find out what has happened to these 11 parliamentarians,".

VOA: standard.2009.04.09

You could use the "what do you" pattern in order to find out what their occupation is.

你就可以使用“what do you”句型来询问对方的职业。

What do you 课堂 - SpeakingMax英语口语达人