1. has 句子描述的是客观事实，即荷兰因为人口增长需要数千套新房子，所以用一般现在时。主语“the country”是第三人称单数，谓语动词要用第三人称单数形式，“have”的第三人称单数形式是“has”。

THE HAGUE, Jan. 9 (Xinhua) -- Dutch political parties Democrats 66 (D66), the People's Party for Freedom and Democracy (VVD) and the Christian Democratic Appeal (CDA) announced on Friday that they ...

THE HAGUE, Jan. 7 (Xinhua) -- Severe winter weather has caused widespread disruption to air, rail and road traffic across the Netherlands, with hundreds of flights canceled, train services reduced and ...

BRUSSELS, Jan. 10 (Xinhua) -- Snowy scenes from Germany, Slovenia, Hungary, the Netherlands and beyond as heavy snow and ...