Tonks glanced toward the kitchen warily, realizing that he was absolutely right. They didn't know what was in these cabinets. Maybe the aliens had made sure that they didn't have access to tinfoil. If it was their one weakness, why would they hand it out? Damn.
"...maybe," she suggested, moving toward the kitchen and staring at the cupboard, half expecting something small and feisty to jump out at her face. "I don't know. Do you think it's a trap?" Traps were bad. She had her wand to protect against traps, but she had no idea what spells to use against aliens.