I think it should be: e.g. http://context.reverso.net/translation/french-english/haute+maison
You could say comment AFAIK. It seems like an anglicism to me.
Que is one very common way to start these exclamations, and Duo wants us to know it.
Sometimes it's a good idea to just learn what is being taught, instead of cooking up a dozen ways to say it, or falling back on old ways when Duo is trying to teach something new.