单项选择题
M: I’d like to place a call to Bonn, Germany. How much does it cost W: 10 dollars for the first three minutes and 3 dollars for each additional minute.
A. An operator. B. An instructor. C. A guide.
A. In a friend’s house. B. In a shop. C. At a party.
A. Yes, there was a big audience. B. No, only one-third of the seats were occupied. C. Yes, buy nearly 30% left after the short rest.