spent 在中学英语阶段中一般只需要理解下面两点：
vt. 度过：spend sth
如：How did you spend the summer holiday?
vt. 花费
结构：sb spend + 钱/时间 + on sth
sb spend + 钱/时间 + (in) doing sth
如：I spent twenty yuan on the book.
= I spent twenty yuan (in) buying the book.
spend的过去式和过去分词为：spent, spent
谢谢
追答如果满意，请点击我答案下面的 “选为满意回答”按钮，谢谢！