正忙着写英语

Xiaoli is working on (writing) a new book. 括号里的词，可省略。

1. Rachel is devoted to his final/terminal exam. 2. You can't be too cautious to get on with others.

Do you want to go swimming with me?I'd like to,but I'm busy with writing assignments.English translation.

答案：They are busy with work.动词短语：be busy with：忙于.....请采纳，谢谢支持！