What are you busy ____?I'm busy ____to the radio.

问题描述:

What are you busy ____?I'm busy ____to the radio.

1 with
2 listening
what are you busy with?你在忙什么?be busy with sth 忙于某事
be busy with 后直接接名词;而be busy 接动词ing

with——be busy with
listening——listen to the radio

What are you busy doing?
I'm busy listening to the radio.

doing,listening

What are you busy _doing___?I'm busy _listening___to the radio.