A．the high buildings B．the high price of land C．the far spreading, of the city D．the heavy traffic
单项选择题23（）
A．country B．state C．city D．county
单项选择题57（）
A. Hold the line B. flight number C. ask a question D. To New York E. May I have you name F. reconfirm my seat G. please check in H. On May 11th
