1) I am busy writing a novel.
我正忙于写小说。
2) She is occupied in writing a novel.
她忙于写小说。
3) We are engaged in writing a letter.
我们正忙于写信。
4) He was busily engaged in writing letters.
他正忙于写信。
6) I am also writing a short story.
我也写短篇小说。
补充资料：我们
1.代词。称包括自己在内的若干人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条