The air in the countryside is , so many people from the city drive cars there on weekends.

Could you tell me something about Zheng He?–Sure. He was a Ming Dynasty explorer __ the Chinese people are proud of.

It is said that sandstorms will become more ________ as a result of global warming.

“Hello Goat and Big Wolf : is one of _____________cartoons in China.

Hi, guys. How was your party yesterday?—Wonderful! We had a big meal and enjoyed __________.