_____ through this book and tell me what you think of it. 

 That hazy（雾霾）weather has hit 104 cities in middle-east China lately makes citizens well aware of ______a terrible problem China is faced with.

There is going to_________ a football game on TV this evening. 

For more information about Cambridge,_____ our website at www.cambridge.org.

Everything is full of yellow dust because of the sandstorm（沙尘暴）.     ！