试题 试卷
题型：单选题 题类：模拟题 难易度：普通
-More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
—I can't agree more. Because we often have more than one choice.
— Yes. But now people here are trying hard to make the air become better and .
— Sure. ___________ sleep for a long time in winter.
— Don't worry. He has a pretty good __________________ of direction.
试题篮
