How can you expect him to make any progress ________ you never give him a chance to have a try?

Xian, the ancient capital of the six dynasties, is becoming ________ international city and attracts more and more foreign tourists every year.

______ an actress, Gong Li ______awards for her films.

You can never be_____careful ; the road is icy andslippery.

As the library rule goes, you should put the dictionary_________ you can find it easily.