I am busy with my lessons while my mother is busy cooking_____(busy)in the kitchen.
问题描述：
I am busy with my lessons while my mother is busy cooking_____(busy)in the kitchen.
答
busily 副词 当我忙着做功课的时候 我的妈妈正在繁忙地忙着做饭.
be busy doing sth 忙于做某事
后用副词形式修饰即为答案