3 sentences

1. 这只是一个毛稿，还需要修改。

   zhè zhǐ shì yī gè máo gǎo, hái xū​yào xiū​gǎi.

   This is just a rough draft and still needs revision.

   Source: Dong Chinese Dictionary

2. 他负责这本刊物的辑稿工作。

   tā fù​zé zhè běn kān​wù de jí gǎo gōng​zuò.

   He is responsible for editing the manuscripts for this publication.

   Source: Dong Chinese Dictionary

3. 作者正忙于写稿，已经连续好几天没有离开过书房了。

   zuò​zhě zhèng máng​yú xiě gǎo, yǐ​jīng lián​xù hǎo​jǐ tiān méi​yǒu lí​kāi guo shū​fáng le.

   The author is busy writing and has not left the study for several consecutive days.

   Source: Dong Chinese Dictionary