完形填空

　　Lightning flashed through the darkness over Sibson's bedroom skylight(天窗)．Sibson was shaken by a clap of thunder 　　1　　 he knew what was happening．The storm had moved directly 　　2　　 his two-story wooden house．Then he heard the smoke alarm beeping．

　　Sibson rushed down the stairs barefoot to 　　3　　 ; he opened the door to the basement(地下室), and flames 　　4　　 out．Sibson ran back upstairs to call 911 from his bedroom．“I felt 　　5　　 because the room had a separate outdoor stairway,” he explains．

　　But the phone didn't work, and when he tried to go down the outdoor stairway, he was 　　6　　 by a wall of flames．Sibson realized he was trapped(困住)．

　　Sibson's house was three kilometers 　　7　　 the main road and was so well hidden by trees that he knew calling for help would be 　　8　　．

　　Up a hill nearby lived Sibson's neighbor, Huggons．He was lying in bed when something like a smoke alarm 　　9　　 his ears．He jumped out of bed, took his 　　10　　 and flashlight, and headed down the hillside toward the 　　11　　．That was when he saw the rolling heavy smoke．

　　Huggons dialed 911, and the operator warned him not to 　　12　　 the house．But Huggons said, “There is no way I am going to listen to Sibson 　　13　　 and die in that fire．”

　　“Anyone there?” Huggons called out．Then he heard “Help! I'm trapped!” coming from the second floor balcony(阳台)．He entered the house, but soon had to run back to catch his 　　14　　．

　　After one more 　　15　　 inside the house, Huggons gave up and 　　16　　 around back．

　　The wind parted the smoke just 　　17　　 for him to catch sight of Sibson．But there was no way to get to him．He 　　18　　 the flashlight into the woods and noticed a ladder．He took it over to the balcony and 　　19　　 Sibson down just as the second floor of the house fell off．

　　Sibson is still 　　20　　 when he tells the story．“ I was alone that night,” he says．“Then I heard the most beautiful sound in my life．It was Huggons．”

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

(15)

(16)

(17)

(18)

(19)

(20)