完形填空

　　I was shown into the waiting-room which, as I had expected, was full．Any waiting-room－especially a dentist's－is not the best place in the world to 　　1　　 an afternoon．No matter how hard a dentist(牙医)tries to make his waiting-room look 　　2　　, it always has an atmosphere of its own-the unpleasant smell and disordered(混乱的)　　3　　 in the room．

　This waiting-room was no exception．There were 　　4　　 pictures on the wall and the magazines on the table 　　5　　 like a great pile of waste paper．I took my 　　6　　 and decided to pass the time 　　7　　 the people around me．

　　A little man beside me was 　　8　　 the pages of a magazine quickly and nervously．It was 　　9　　 to understand what he was looking at, for 　　10　　 three minutes or so he would throw the magazine onto the 　　11　　, take another, and sink back into his chair．Opposite me there was a young mother who was trying to 　　12　　 her son from making a 　　13　　．He had placed an ash-tray(烟灰缸)on the floor and was making plane-noises 　　14　　 he waved a pencil in his hands．The boy had clearly become uninterested in 　　15　　．Near him, and old man was fast asleep, and the boy's mother was 　　16　　 sooner or later her son would 　　17　　 the gentleman up．There was a deep silence in the room as the door opened and a nurse 　　18　　．The people looked 　　19　　 with hope in their eyes, then murmured something as the next luckly 　　20　　 was led out of the room．