3 sentences

1. 你们不能在我国降落。

   nǐ​men bù néng zài wǒ​guó jiàng​luò.

   You cannot land in our country.

   Source: OpenSubtitles

2. 我国存在很多腐败问题。

   wǒ​guó cún​zài hěn​duō fǔ​bài wèn​tí.

   There's a lot of corruption in our country.

   Source: OpenSubtitles

3. 我国是一个历史悠久的国家。

   wǒ​guó shì yī gè lì​shǐ yōu​jiǔ de guó​jiā.

   Our country is a nation with a long history.

   Source: Dong Chinese Dictionary