单项选择题

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now, listen to the conversation. Which of the oral expressions is supposed to be Pittsburg’s

A．"I used to."
B．"Smoke up."
C．"Excuse me."
D．"Old man, I can’t talk for publication."

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单项选择题

单项选择题

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now, listen to the conversation. Which of the oral expressions is supposed to be Pittsburg’s 您的浏览器不支持 audio 元素。