capital前用什麼冠詞

前用冠詞the，例如：

1、There was heavy fighting in the capital last night.昨晚首都發生了激烈戰鬥。

2、We feared that an advance on the capital would soon follow.我們擔心接下來會馬上向首都推進。

3、Rebel forces have assumed control of the capital.反叛武裝力量已控制了首都。