1.CornoriginatedintheNewWorldandthuswasnotknowninEuropeuntilColumbusfoundit()inCuba.
A.beingcultivatedB.beencultivtedC.havingcultivatedD.cultivating
2.Thiskindofglassesmanufacturedbyexeriencedctaftsmen()comfortable.
A.iswornB.wearnC.wearingD.areworn
3.Thewordsofhisoldteacherlefta()impressiononhismind.Heisstillinfluencedby.
A.longB.livelyC.lastingD.liberal