问题补充:
There will be trees and pollution in the future.
A. less, more
B. more, fewer
C. more, less
D. less; less
答案:
A. less, more
B. more, fewer
(答案→)C. more, less
D. less; less
解析:less,little的比较级,更少的,修饰不可数名词;more,much和many的比较级,更多的;fewer,few的比较级,更少的,修饰可数名词复数;句意:将来会有更多的树木,更少的污染。结合语境可知树木是可数名词,污染是不可数名词,故选C。