2 sentences

1. 这里的旧民房大多已经拆迁了。

   zhè​lǐ de jiù mín​fáng dà​duō yǐ​jīng chāi​qiān le.

   Most of the old residential houses here have been demolished.

   Source: Dong Chinese Dictionary

2. 消防员迅速赶到现场，扑灭了民房的大火。

   xiāo​fáng​yuán xùn​sù gǎn​dào xiàn​chǎng, pū​miè le mín​fáng de dà​huǒ.

   Firefighters rushed to the scene and extinguished the fire in the house.

   Source: Dong Chinese Dictionary