The doctor come at once in answer to my telephone call.

医生接到我的电话之后，马上来了。

youdao

The doctor came at once in answer to our telephone call.

医生接到我们的电话后马上来了。

youdao

The doctor came at once in answer to our telephone call.

医生接到我们的电话后马上来了。

youdao