3 sentences

1. 人们开始投掷石块。

   rén​men kāi​shǐ tóu​zhì shí​kuài.

   People began to throw stones.

   Source: CCMatrix

2. 有人投掷了石块。

   yǒu​rén tóu​zhì le shí​kuài.

   Stones were thrown.

   Source: United Nations

3. 车轮搅起的石块，在车身下发出不吉祥的锤击声。

   chē​lún jiǎo qǐ de shí​kuài, zài chē​shēn xià fā chū bù jí​xiáng de chuí​jī shēng.

   The wheels scooped up stones which hammered ominously under the car.

   Source: UM-Corpus: Education