3 sentences

1. 该政党已经连续执政了十年。

   gāi zhèng​dǎng yǐ​jīng lián​xù zhí​zhèng le shí nián.

   The political party has been in power for ten consecutive years.

   Source: Dong Chinese Dictionary

2. 里根总统在1980年代执政。

   Lǐ​gēn zǒng​tǒng zài yī​jiǔ​bā​líng​nián​dài zhí​zhèng.

   President Reagan was in office during the 1980s.

   Source: Dong Chinese Dictionary

3. 这项政策体现了执政为民的理念。

   zhè xiàng zhèng​cè tǐ​xiàn le zhí​zhèng wèi mín de lǐ​niàn.

   This policy reflects the concept of governing for the people.

   Source: Dong Chinese Dictionary