1 sentence

1. 我正在房间里认真地温习明天的考试内容。

   wǒ zhèng​zài fáng​jiān lǐ rèn​zhēn de wēn​xí míng​tiān de kǎo​shì nèi​róng.

   I am in my room seriously reviewing for tomorrow's exam.

   Source: Dong Chinese Dictionary