句型转换 (对括号部分提问 )

问题描述:

句型转换 (对括号部分提问 )
1.They're having a (music) class.
_____ class ____ they having
2.It's (friday) today.
____ ____ is it today?
3.we paly the piano (twice a weeek)
____ ____ do you paly the piano?

1.What class are they having?
2.What day is it today?
3.How often do you play the piano?