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．A.before B．while

　　C．since D．until

　　2．A.on B．in

　　C．through D．over

　　3．A.hide B．wait

　　C．check D．escape

　　4．A.moved B．gave

　　C．went D．exploded

　　5．A.safe B．worried

　　C．glad D．tired

　　6．A.burned B．stopped

　　C．shocked D．covered

　　7．A.beside B．off

　　C．across D．along

　　8．A.limited B．false

　　C．fruitless D．regretful

　　9．A.struck B．missed

　　C．touched D．passed

10．A.coat B．key