问题补充:
I think there will be pollution and cars in the future.
A. fewer; many
B. more; less
C. less; fewer
D. less, much
答案:
A. fewer; many
B. more; less
(答案→)C. less; fewer
D. less, much
解析:few和little都表示否定含义,意思是很少,区别是前者修饰可数名词复数,后者修饰不可数名词;many和much都表示很多,区别是前者修饰可数名词复数,后者修饰不可数名词,他们的比较级都是more。句意:我认为在将来污染会更少,汽车也会 更少。Little的比较级是less,结合语境可知选C。