问题
选择题
Finally, I bought the new book,_____I spent twenty yuan, in the bookstore where a friend of mine is the boss.
A．on which
B．which
C．for which
D．that
答案
答案：A
表示在什么上花费多少钱可用spend+钱+on sth，修饰名词书是一个定语从句，书为事物，故可用which，故本题应选A。