Traffic restrictions have come into effect in Beijing ______to improve the capital’s air quality and traffic situation for the 2008 Olympics.
This non-stop communication, the experts think, has made easier for British people and Americans to understand each other.
—I guess I must leave now. See you tomorrow. —________!I have some important information for you.
We _________ in Nanchang ever since we came to China.
It’s the second time ___ I’ve read an English novel. But do you know there was a time ___ I hated English?
A child _____ parents are dead is called an orphan.