Question

If there aren’t so many cars, our air would be much ____.

If there aren’t so many cars, our air would be much ____. A．clear B．cleaner C．clean D．nice

Answer 1

B

试题分析：clear清楚的，晴朗的；cleaner更干净的；clean干净的；nice精密的，美好的。句意：如果不是有如此多的汽车，我们的空气就会更干净。结合语境可知选B。