There will be fewer trees on the earth,_______?为什么选D

There will be fewer trees on the earth,_______?为什么选D 1． --Will there be fewer trees?--_______. Will there be fewer trees? There will be fewer trees,________? There will be fewer trees here,_____? There will not be enough room _______ the earth. there will be fewer trees in the future if people cut down t trees will future there the be in fewer 连起来怎么连 There will be fewer trees.______?(反意疑问句） I think there will be fewer trees(否定句） There are trees on the earth. There will（ ）hundreds of trees on the mountain.为什么用be而不用have