问题补充：
—How much did you buying the new bike?
—Three hundred yuan.
A. pay
B. cost
C. take
D. spend
答案：
A. pay
B. cost
C. take
(答案→)D. spend
解析：此题重点考查cost，spend，pay，take四个花费的区别；cost的主语是物常用句型结构是sth cost some money；spend的主语是人，常用的句型结构是sb spend some time/money in doing sth; pay的主语是人，常用句型结构是sb pay something some money；take的主语是it，常用句型结构是it takes sb some time to do sth,综上所述，根据句意选择D.
