We crossed the street ___ ___ ___ ___ (避免和他见面).
60. Asimov showed his t______ for science fiction writing at an early age.
59. The visiting president visited the Shanghai World Expo. a______ by some officials from the government of Shanghai.
58. His a______ is to become one of the top in his field.
57. The mayor of the city took the blame for the accident and r______.
56. Hearing the news of his victory, his friends all went to his house to offer their c______.