3 sentences

1. 他在市委宣传部工作。

   tā zài shì​wěi Xuān​chuán​bù gōng​zuò.

   He works in the Publicity Department of the Municipal Party Committee.

   Source: Dong Chinese Dictionary

2. 他是新当选的市委常委。

   tā shì xīn dāng​xuǎn de shì​wěi cháng​wěi.

   He is a newly elected member of the Municipal Standing Committee.

   Source: Dong Chinese Dictionary

3. 市委决定在全市推广这项新政策。

   shì​wěi jué​dìng zài quán shì tuī​guǎng zhè xiàng xīn zhèng​cè.

   The municipal party committee decided to promote this new policy citywide.

   Source: Dong Chinese Dictionary