3 sentences

1. 新一届内阁今天正式就职。

   xīn yī jiè nèi gé jīn​tiān zhèng​shì jiù​zhí.

   The new cabinet was officially sworn in today.

   Source: Dong Chinese Dictionary

2. 新任总统在就职典礼上庄严宣誓。

   xīn​rèn zǒng​tǒng zài jiù​zhí diǎn​lǐ shàng zhuāng​yán xuān​shì.

   The new president took a solemn oath at the inauguration ceremony.

   Source: Dong Chinese Dictionary

3. 他将于下个月正式就职，担任该集团的新任首席执行官。

   tā jiāng yú xià gè yuè zhèng​shì jiù​zhí, dān​rèn gāi jí​tuán de xīn​rèn shǒu​xí zhí​xíng​guān.

   He will officially take office next month as the new CEO of the group.

   Source: Dong Chinese Dictionary