When it______air pollution, Beijing faces the three “C” s-----cars,coal and construction,which lead to Beijing's thick air pollution.
Tom’s pay depends on the factory.
The government has taken some measures to solve the shortage of water, but it may be some time __the situation improves.
After driving for thirty miles. he suddenly realized that he in the wrong direction.
I broke the dish I wanted to show my anger.
I could hardly wait to tell Jim the good news but I had to before I could speak.