3 sentences

1. 各种社会矛盾相继浮现。

   gè zhǒng shè​huì máo​dùn xiāng​jì fú​xiàn.

   Various social contradictions have emerged one after another.

   Source: Dong Chinese Dictionary

2. 比赛结束后，观众相继离开了体育场。

   bǐ​sài jié​shù hòu, guān​zhòng xiāng​jì lí​kāi le tǐ​yù​chǎng.

   After the game ended, the spectators left the stadium one after another.

   Source: Dong Chinese Dictionary

3. 老一辈的大师们相继凋谢，令人感叹不已。

   lǎo yī bèi de dà​shī men xiāng​jì diāo​xiè, lìng rén gǎn​tàn bù​yǐ.

   The masters of the older generation have passed away one by one, which is truly regrettable.

   Source: Dong Chinese Dictionary