第17题: [单项选择]A. The Edwards are quite well-off. B. The Edwards should cut down on their living expenses. C. It’ 11 be unwise for the Edwards to buy another house. D. It’s too expensive for the Edwards to live in their present house. 参考答案:C 答案解析:[解析] W: I hear that the Edwards are thinking of buying another house. M: Should they be doing