15.
W: May I move in this weekend, Mr. Penny?
M: No problem, Miss, as you've already paid three months' rent and one month's deposit. I'll get everything in order and be expecting you at 9 on Saturday morning.
Q: What's the relationship between the two speakers?
正确答案：A
解析：根据关键词move in“搬进来”，rent“租金”和deposit“押金”，可判断说话人是租客和房东的关系。A正确。

16.
M: I don't know where to treat my parents-in-law for dinner this weekend.
W: Have you ever been to the rotating Italian restaurant by the river? You can have a bird's-eye view of the whole city while enjoying your meal.
Q: What does the woman suggest the man do?
正确答案：C
解析：选项都是动作性短语，问题应该与建议有关。男士不知道在哪里宴请岳父母，女士出主意去河边的旋转餐厅，可以顺便鸟瞰市容，故选C。