题目

------I have just had my watch repaired. ------How much did they ____ for that? A. cost             B. charge             C. spend           D. pay 答案：B作者善于想象，诗中描述了龙、鸾、霓衣、风马、云之君、金银台等神仙世界之物，作者将这些事物写进诗里，其作用是什么？ 答：___________________________________