They enjoy listening to music 对画线部分提问(listening to music) ( ) ( )they( )( )

问题描述:

They enjoy listening to music 对画线部分提问(listening to music) ( ) ( )they( )( )

(what)(do)they(enjoy)(doing)?

What do they enjoy doing ? 应该是这样的

( What) ( do )they( enjoy)( doing)?
他们喜欢做什么?

what do they enjoy doing?