deduce|deduced

从化石记录中，科学家可以推断出古代的气候条件。

Based on the fossil records, scientists can ___deduce the climate conditions of ancient times.

从他购物篮里的东西，我推断出他是单身。

From the contents of his shopping basket, I ___deduced that he was single.

在考虑了这个特定案例后，我们或许能推断出成功所需的一些品质。

Having considered this particular case, we may be able to ___deduce some of the qualities needed to be successful.