3 sentences

1. 众议院议长主持了会议。

   Zhòng​yì​yuàn yì​zhǎng zhǔ​chí le huì​yì.

   The Speaker of the House presided over the meeting.

   Source: Dong Chinese Dictionary

2. 众议院正在讨论新的经济法案。

   Zhòng​yì​yuàn zhèng​zài tǎo​lùn xīn de jīng​jì fǎ'àn.

   The House of Representatives is discussing a new economic bill.

   Source: Dong Chinese Dictionary

3. 许多国家的议会由参议院和众议院组成。

   xǔ​duō guó​jiā de yì​huì yóu cān​yì​yuàn hé Zhòng​yì​yuàn zǔ​chéng.

   In many countries, the parliament consists of a Senate and a House of Representatives.

   Source: Dong Chinese Dictionary