I got stuck on the first question.

头一个问题我就答不上来。

《牛津词典》

I spent most time on the first question.

我在第一个问题上花的时间最多。

《牛津词典》

On the first question, I do not comment on the unconfirmed news.

答：关于第一个问题，我不对一个未经证实的消息发表评论。

youdao

And the first question we're going to be focusing on is just this, the question of the badness of death.

我们第一个要研究的问题就是，死亡的坏处。

耶鲁公开课 - 死亡课程节选

And the first question I think that you have on the quiz here is the following: what keyboard instrument is playing here?

这里有个小测验,第一个问题是,这段音乐是用什么键盘乐器演奏的

耶鲁公开课 - 聆听音乐课程节选

On the first question, yes, stocks are cheap compared to 10-year government bonds yields.

FORBES: Market Turbulence Or Deeper Ills?

If we have an update on the first question you asked during the flight, I will certainly come back and let you all know.

WHITEHOUSE: The White House

On the first question, the answer seems to be: not much.

FORBES: Apple vs. Magazine Publishers: Who Blinked?