问题
选择题
— If there are _____people driving, there will be ______air pollution.
— Yes, the air will be fresher.
A．less; less
B．less; fewer
C．fewer; fewer
D．fewer; less
答案
答案：D
根据后文people 为可数名词复数，pollution为不可数名词，又根据需要，要用比较级，故选D