單項選擇Nowtheairinourhometownis          thanitwasbefore,a...

問題詳情：

單項選擇

Now the air in our hometown is           than it was before, and we must do something for that.

  A. much better     B. more worse     C. more better    D. much worse

【回答】

D

知識點：形容詞比較級

題型：選擇題