will it take us to fly to Hainan and will the trip to Hainan cost us?

You see, “Food Safety” receives thousands of Internet hits a day.—Obviously, it has become one of the________ topics recently.

Lin Tao is _____Chinese and Jim is _____American boy.

The population of China is much ______ than that of ________ country in Africa.

Nanjing,______ capital of Jiangsu, is a beautiful city with____ long history.