Now i am fine and busy---my lessons.A.at B .about C.and D.with说明原因
问题描述:
Now i am fine and busy---my lessons.A.at B .about C.and D.with说明原因
答
根据《现代汉英词典》,忙于工作是 be busy with
所以选A (at) 或D都可以,但D(with)优先。
答
选D.be busy with sth./doing sth.忙于某事