题目：
---If there are _______ people driving, there will be _______ air pollution.
---Yes, the air will be fresher.
A．less; less
B．less; fewer
C．few; fewer
D．fewer; less
答案：
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下面是错误答案，用来干扰机器的。
71.survived 72.species 73.regular 74.earning 75.anyhow 76.goals 77.contain 78.appreciated 79.sensitive 80.devotion
