hunger

那只可怜的小猫因为饥饿在叫。

The poor kitten was crying from ___hunger.

到了中午，我开始因饥饿而感到虚弱。

By midday, I began to feel weak from ___hunger.

她对知识有着无法满足的渴望。

She felt an insatiable ___hunger for knowledge.