早教吧 育儿知识 作业答案 考试题库 百科 知识分享

I spent an hour___(writer)the passage last night

题目详情
I spent an hour___(writer)the passage last night
▼优质解答
答案和解析
I spent an hour_writing__(writer)the passage last night
解释:spend time doing sth
spend time on sth
花费时间做某事,其中on 后面通常加名词 如 I spent 2 days on this task .
祝学习顺利