13.Idon'twanttogoinsidethewaitinghall---it'stoo_______Iprefer________outsidethoughitiskingodcold.A.crowded,beingB.early,waitingC.late,towaitD.boring,be19.Becarefulwhen______________thestreetA.crossingB.crossed20.---Excuseme

　　13.Idon'twanttogoinsidethewaitinghall---it'stoo_______

　　Iprefer________outsidethoughitiskingodcold.

　　A.crowded,beingB.early,waitingC.late,towaitD.boring,be

　　19.Becarefulwhen______________thestreet

　　A.crossingB.crossed

　　20.---Excuseme,couldyoupleaseshouwehowtousethisMP4player?---_________

　　A.Sure,withpleasureB.Certainly!It'shereC.yes,youcan

　　D.Notatall