请 问 , 课 已 经 补 了 还 是 没 有 ?
要 是 补 了 ,
I would like to find out what was covered in Sunday's make-up session.
要 是 还 没 补 ,
I'd like to know the content of Sunday's make-up session.
Or
I'd like to know what will be covered in Sunday's make-up session.
补 课 V. to have a make-up session
N. a make-up session