15.
W: I need to find a baby sitter to take care of my son. Do you know Mrs. Peterson? I heard she is usually available at weekdays.
M: Well, I know that baby sitter. But the best I can say for her is she has a great fantasy to the TV in her living room.
Q: What does the man imply about Mrs. Peterson?
正确答案：B
解析：女士问男士是否认识保姆Mrs. Peterson，男士说她非常喜欢看电视，言下之意不会向女士推荐这个保姆。故答案是B。从选项可以预测，问题与男士的态度和做法有关。“But”后内容是听音关键。

16.
W: May I try this dress? Hmm, size 10, please.
M: Sure! Ma'am, we only have two of them left. They're on sale today, and the deal will be made on a first-come, first-served basis.
Q: What does the man mean?
正确答案：B
解析：女士想要试穿衣服，男士说这件衣服只剩下两件了，今天特价，先到先得。所以答案为B。根据选项可以预测，男士是卖方，女士是买方，问题与男士的销售方式有关。商铺经常会挂出“on sale”的牌子，所以这个表达应该不会陌生。