3 sentences

1. 玩网络游戏应该既有趣又有挑战性。

   wán wǎng​luò​yóu​xì yīng​gāi jì yǒu qù yòu yǒu tiǎo​zhàn xìng.

   Playing online games should both be fun and challenging.

   Source: CCMatrix

2. 学生可以自由地玩网络游戏和听音乐。

   xué​sheng kě​yǐ zì​yóu de wán wǎng​luò​yóu​xì hé tīng yīn​yuè.

   Students are free to play online games and listen to music.

   Source: CCMatrix

3. 我在一个网络游戏中遇到他，我们成了朋友。

   wǒ zài yī​ge wǎng​luò​yóu​xì zhōng yù dào tā, wǒ​men chéng le péng​you.

   I met him in an online game and we became friends.

   Source: CCMatrix