His argument presupposes that it does not matter who is in power.

他的论点前提是谁掌权都无关紧要。

《牛津词典》

Who is in Tokyo now?

谁现在在东京？

youdao

Who is in the chair today?

今天谁主持？

《牛津词典》

They were listening to an expert who is in charge of meteorites at the Smithsonian.

VOA: special.2010.07.28

And what she does in the experiment is she poses as a graduate student in clinical psychology who is interviewing male participants ?

她在实验中扮演的,是一个临床心理学的学生,正在访问男性受试者？

耶鲁公开课 - 心理学导论课程节选

but everyone knows, like, which one's, ah... which societies exist and who is in them, just things like that.

但是每个人都知道这种社团的存在，也知道社团的成员是谁，这些事情都不是秘密。

耶鲁对比哈佛 - SpeakingMax英语口语达人

That highlights again the clear accountability and understanding of who is responsible, who is in charge.

BBC: More power for communities?

Without exit checks "we absolutely don't know who is in the country", added Mr Vaz.

BBC: Crowd of shoppers

There has been speculation that President Bush, who is in Europe, might pardon Libby.

NPR: Libby Sentenced to 2 1/2 Years in CIA Leak Case