Do you often spend half an hour _____（clean)the classroom after school?

题目

Do you often spend half an hour _____（clean)the classroom after school?
填cleaning
为什么呢?
是目为有动词spend了吗?

答案

是的,因为有spend.


spend的两种用法：
spend sth.(in) doing sth.花（时间或金钱）做什么 【其中in可省略】
spend sth.on sth. 花（时间或金钱）在什么之上


偶尔也见到spend sth.to do sth.的搭配.