—Oh!My tooth is aching again!—I think you should have________out in the hospital.
— Joan has never been to Beijing. What about Jack? —
— Ihavenoideato tell herthebadnews. — I think tomorrow is the best time.
Mr. Li will go to Guangzhou by air. His workmates are at the airport.
— What is the population of America? — I don’t know. But I know it’s than that of China.
I to Shanghai three times.