in answer to造句

I don't quite know what to say in answer to your question.
我不太清楚如何回答你的问题。

The doctor came at once in answer to our telephone call.
医生接到我们的电话马上就来了.

In answer to these questions I either nodded or made strange noises.
在回答这些问题的过程中,我要么就点头,要么就发出奇怪的叫声.