---Do you mean he lots of money on books?
---Yes. They him plenty of money.
A. pays, takes
B. spent, cost
C. spent , buy
D. takes, cost
网友回答
A. pays, takes
(答案→)B. spent, cost
C. spent , buy
D. takes, cost
解析：考查短语：spend time/money on sth 在某方面花费时间或金钱，cost的主语经常是物，句意为你的意思是他在这些书上面画了好多钱？是的，这些书花了他好多钱。下句话当中的They指的不是人，而是上句中的那些书。所以选B。