People are required by law to answer all questions to the best of their ability.

VOA: special.2010.03.20

And it is not always easy to answer, because sometimes they do not always make their deepest or most fundamental questions altogether clear.

答案并不总是简单的，因为有时候它们不总是,让那些最深刻和最基础的,问题一起清楚地呈现。

耶鲁公开课 - 政治哲学导论课程节选

So I help check people in the class, answer their membership questions, sell memberships, all of that, and

我负责帮助核对上课人数，回答会员问题，销售会籍等，

上东区的瑜伽老师 - SpeakingMax英语口语达人

And to make it even simpler, farmers will soon be able to answer those questions using their mobile phones.

VOA: standard.2010.07.28

With each lecture we put together pre-lecture questions and post-lecture questions that the students were required to answer and they used their learning space that I told you before: Sunspace.

每次讲座我们都会给出,课前问题和课后问题,并要求学生回答,他们利用我之前谈到的,学习空间，即阳光地带。

麻省理工公开课 - 媒体、教育、市场课程节选