Draco didn't like that idea, and his expression said as much, but he somehow knew that it was the best he was going to get from her, too. He didn't say anything to agree, though. He thought it would be better later to be able to say that he hadn't agreed to letting her help with anything.
"I don't know that anyone will be able to do much. I'm sure Weasley and her ilk are already planning something idiotic."