There were questions of high import to be answered.

有一些重要的问题需要回答。

youdao

All this mail must be answered.

所有这些信件都必须回复。

《牛津词典》

All letters will be answered personally.

一切信函都将由本人亲自答复。

《牛津词典》

Those questions will never truly be answered.

VOA: special.2010.03.10

Also, it can be a rhetorical question or a question that does not want to be answered.

当然，这也可以用在问一种修辞的问题，或一种不需要回答的问题。

How can I 课堂 - SpeakingMax英语口语达人

People answered--most people said, no, I'd be so annoyed and angry with myself I'd just leave.

大多数人回答道，不会，我肯定会很烦很生气,我会直接离开。

耶鲁公开课 - 金融市场课程节选

If they're just as rowdy come Monday evening, that one last question will finally be answered.

WSJ: Kentucky Defeats Louisville, Advances to NCAA Championship

Sometimes, of course, there is no possibility of convergence a question must be answered yes or no.

NEWYORKER: The Conciliator

On 2 October those questions will be answered in front of millions of people world-wide.

BBC: Audley's final shot at redemption