问题
选择题
Now the air in our city is ______ than it used to be. Something must be done to stop it. [ ]
A. very good
B. much better
C. rather bad
D. even worse
答案
答案：D
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Now the air in our city is ______ than it used to be. Something must be done to stop it. [ ]
A. very good
B. much better
C. rather bad
D. even worse
答案：D
