"Well, I don't know what you thought of him, but Professor Lockhart was quite good-looking. But yes..other than him, there's been a great lack."
Eloise wasn't about to bring up the fact that she'd found Professor Lupin oddly attractive as well. She'd thought he'd seemed rather tragic and mysterious, somehow, even though in class he was perfectly kind and very interesting. Of course, that had been before she found out about what he was, and then it all made sense. Best to stick with conventional answers right now.
"I wonder if Professor Weasley has a girlfriend? He'd probably be too busy for one, with his previous job," she speculated. "Hey, so, did you really want an opinion on an outfit for your next brave attempt, or was that just a cover?"