干旱已严重影响了数个中部非洲国家。

The drought has severely affected several central African ___states.

欧盟是一个由27个成员国组成的经济和政治联盟。

The European Union is an economic and political union of 27 member ___states.

现代希腊在19世纪成为一个独立的国家。

Modern Greece became an independent ___state in the 19th century.