___________[A] life [B] existence [C] survival [D] maintenance

Without the sun s light______the earth s surface, no life could exist on the earth.A．warms

The argument remained heated ______ there are necessary conditions of existence such a

There exist now a park that has a small river running80.__________

_________(56)A.prospective B.comingC.existing D.g

_________(65)A.marriage B.life C.residence D.serv

_________(56)A.prospective B.comingC.existing D.g