完形填空

　　Bob was at home alone one night while his parents were out for the evening．He had often stayed alone before, so he wasn't afraid．　　1　　 he waited for his parents to return home, he watched the late movie on television．His eyelids became heavier as the 　　2　　 passed．

　　　　3　　 Bob opened his eyes．What was that 　　4　　 in the next room?Bob listened carefully and heard the window 　　5　　 being moved open．For a minute Bob was so 　　6　　 that he could not move, his body felt like a 　　7　　．

　　He knew that he 　　8　　 lose his head and began to think of things he could do．He couldn't reach the door, 　　9　　 could he reach the telephone in the kitchen because any sound he made would betray(暴露)him．He 　　10　　 his breath(呼吸)and listened carefully．Again he heard the sound of someone trying to enter his home 　　11　　 the window．

　　Bob's drums were standing in the corner near the TV．“Wait, maybe there is 　　12　　 I can do,” thought Bob．

　　He grabbed(抓住)the drumsticks and beat on his drums as he had never beaten before．The noise was 　　13　　 terrible that Bob astonished even himself．He also 　　14　　 the person in the window, who turned tail and ran for all he was worth．The burglary(盜竊)was nipped in the bud(萌芽)．

　　Bob had just used his drum in a very 　　15　　 way．“Maybe drums aren't such a bad instrument after all,” thought Bob with a sigh of relief(放松)．