问题
选择题
Now the air in our town is __ than before.
Yes. Something must be done to stop the pollution.
A．even worse
B．rather bad
C．very good
D．much better
答案
答案：A
题目分析：根据回答必须做事情以阻止污染。可知现在的空气比以前更差了。than,比……，两者比较用比较级，修饰比较级的词有，even ,a little,much,far,等。根据句意，故选A