Wondering what he ought to do, he suddenly heard a door open much closer at hand; somebody was about to come downstairs.
Black looked up. Harry saw his jaw drop. He leapt from his chair, hurried to the window and tried to open it, but it was locked.
¡°Hermione?¡± Ron said cautiously, because she was liable to explode when interrupted these days. ¡°Er ¡ª are you sure you've copied down these times right?¡±
Ron had taken the loss of his rat very hard indeed.