They are ineffective as a cleaning device .None of the above choices .They are bad for flying .They do n't clean and get rid of the dirt .
Why does the narrator feel that the school 's brooms are n't good enough ?
He would have preferred not to have to outfit her with one of the school brooms since they would have been all but useless in an actual match , but there was nothing for it . To his surprise , however , she reached for George 's Cleansweep instead . His surprise must have shown on his face .