The air in mountain areas is              that in big cities.

A. as fresh as
B. fresher than
C. as dirty as
D. dirtier than
相關(guān)習(xí)題

科目：初中英語 來源：0101 模擬題 題型：單選題

The air in mountain areas is              that in big cities.
[     ]
A. as fresh as
B. fresher than
C. as dirty as
D. dirtier than

查看答案和解析>>


同步練習(xí)冊答案