法国是一个共和国。

France is a ___republic.

那个古城邦是共和国的早期形式，由民选官员治理。

The ancient city-state was an early form of ___republic, governed by elected officials.

从君主制向共和国的过渡是该国历史上的一个关键时刻。

The transition from a monarchy to a ___republic was a pivotal moment in the nation's history.