After having taught Billy Elliot to dance, couldn't Mrs. Weasly taught the kids to dance for the Yule Ball?

Or was she too dumpy?After having taught Billy Elliot to dance, couldn't Mrs. Weasly taught the kids to dance for the Yule Ball?
You're mean. Go get a life.After having taught Billy Elliot to dance, couldn't Mrs. Weasly taught the kids to dance for the Yule Ball?
??

that was mean