Africa. Right. There was no way he could have gotten them to Africa. Seriously no way he could have done that. That had to be thousands of miles away.
When Hermione yelped, Ron reflexively turned toward the source of the sound, lifting his wand (even though he wasn't sure what he meant to do or what he meant to cast), but that thought died when he saw who it was. "Harry!" He exclaimed. He was both delighted and profoundly confused because ... how had they all wound up here if they were all aiming to have wound up somewhere else?
When he saw Luna's hare and heard her voice, he wondered if that meant Dean and Dobby were here, too. And Griphook. "Harry," he said, his brow furrowing. "How did we all end up here? Where is here, anyway? Are we really in Africa? How did we get to Africa?" Apparently, he was a font of useless questions just then.