Lee was faced with the of whether or not to return to his country after he got the doctor's degree in America
Following the successful Beijing Olympic shanghai 70 million people for the 2010 World Expo.
of danger in the street at night, she had to go home, with a friend her.
—Jack, can you make a sentence to ________ the meaning of the new phrase? —Well…
—Shall I lock the lab now before I go home ? —__________ . I’ll check it myself later.
—Really? Who will give _________ lecture? — Mr. Wang, ________ professor from Nanjing University.