忙与做某事be busy doing sthwith sth

题目

忙与做某事be busy doing sth\with sth
忙与做某事be busy doing sth
be busy with sth
分别造两个句子 忙于踢足球和忙于游泳
每个句式分别造两个

答案

I'm busy playing football.
I'm busy swimming.
I'm busy with playing football.
I'm busy with swimming.