精选优质文档-倾情为你奉上【2012高考试题】【2012四川卷】阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 Lightning flashed through the darkness over Sibsons bedroom skylight（天窗）.Sibson was shaken by a clap of thunder _21_ he knew what was happening. The storm had moved directly _22_ his two-story wooden house. Then he heard the smoke alarm beeping. Sibson rushed down the stairs barefoot to 23 ; he opened the door to the basement（地下室）, and flames 24 out. Sib
