how soon是对将来提问，回答一般用In加上时间段。

例如：How soon shall we meet again？In two weeks。

等同于when shall we meet again？Two weeks later。

“how soon”的问句回答通常是表达所用的时间。

例句：How soon will you be back?

I'll be back in three days.

译文：你多久后回来？

我三天后回来。

how soon双语例句：

How soon can you come up with the money?

你什么时候能拿出这笔钱？

How soon can you get here?

你什么时候能赶到这儿？

It's amazing how soon you adapt.

你这么快就适应了，真是令人惊奇。

A: How soon will you come back?

A：你多久回来?