听力原文:M:It turned out that my room was at the end of the corridor, no wonder it was so noisy. When l first asked them to change the room. everything seemed under control. They apologized sincerely and promised to change my room TODAY, and I was so glad and looked forward to a sound sleep; but then the girl called up to say sorry because some guests have extended their stay, so there were no spare rooms left. I've come to you to see if you have any way out for this. (20)