Question

Now the air in our hometown is ________ than it was before．Something must be done．

1. A.
   much better
2. B.
   more worse
3. C.
   more better
4. D.
   much worse

Answer 1

D
解析：
根据此题结构，应用比较级形式，但more后面不能再修饰比较级形式，故B、C两项可排除；由后一句句意的提示，确定答案为D项。