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

问题描述:

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?

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.