If it wasn't you, who was it, then?

如果不是你，那是谁呢？

youdao

Who was it that won the US Open?

在美国公开赛上获胜的是谁？

《牛津词典》

Who was it steered it into a pond?

是谁把它开进了池塘？

youdao

That was not a real railroad. It was an organization of people who secretly helped slaves escape to the North.

VOA: special.2009.04.16

who was it who sang the song "Two Out of Three Ain't Bad" ? Was that Meat Loaf? Who was it?

三个中占有两个就不错了“，这首歌是谁唱的来着“,是肉块乐队吗？，是么？

耶鲁公开课 - 心理学导论课程节选

We naturally thought that it was the poet John Milton who was speaking the first 185 lines of the poem.

我们自然会认为是诗人弥尔顿自己,在言说着前185行诗。

耶鲁公开课 - 弥尔顿课程节选

And who was it getting friendly with junior switchwoman Fedotova the other day right here at the switch?

NEWYORKER: Among Animals and Plants

Who was it that thought up that idea, the idea that had made today better than yesterday?

NEWYORKER: Puppy

And third, if somebody did say they had legal reason, who was it, and what did they say?

NPR: Sen. Leahy Looking for Answers on NSA Operations