第20题: [单项选择]{{B}}Passage One
Questions 11 to 13 are based on the passage you have just heard.{{/B}} A. Ask the operator to put you through. B. Check the phone number and call again. C. Tell the operator what has happened. D. Ask the operator what’s wrong. 参考答案:C 答案解析:[听力原文]
What should you do when you get a wrong number in making a long-distance call
[解析] 事实细节题