¡°There had to be one time you didn't get it,¡± said George.
Ron Weasley, who was one of Harry's best friends at Hogwarts, came from a whole family of wizards. This meant that he knew a lot of things Harry didn't, but had never used a telephone before. Most unluckily, it had been Uncle Vernon who had answered the call.
Harry took Malfoy's shrivelfig as Ron began trying to repair the damage to the roots he now had to use. Harry skinned the shrivelfig as fast as he could and flung it back across the table at Malfoy without speaking. Malfoy was smirking more broadly than ever.