I take exercise every day and I’m than before.
A. much healthy
B. much healthier
C. much more healthier
D. much more healthy
网友回答
A. much healthy
(答案→)B. much healthier
C. much more healthier
D. much more healthy
解析：根据下文than befor，比以前，可知本句考查比较级。Healthy的比较级是在单词后加er构成，选项CD搭配错误，故选B。