2 sentences

1. 这批珍贵的青铜器是上个月刚出土的。

   zhè pī zhēn​guì de qīng​tóng​qì shì shàng​ge yuè gāng chū​tǔ de.

   This batch of precious bronzes was unearthed just last month.

   Source: Dong Chinese Dictionary

2. 由于房屋租约已经到期，那家工厂在上个月正式关闭。

   yóu​yú fáng​wū zū​yuē yǐ​jīng dào​qī, nà jiā gōng​chǎng zài shàng​ge yuè zhèng​shì guān​bì.

   As the lease has expired, the factory officially shut down last month.

   Source: Dong Chinese Dictionary