来源：学生作业帮 编辑：百度作业网作业帮 分类：英语作业 时间：2024/05/12 17:51:33
英语,用至少两种方法,合并成一句话
I was doing my homework.My father came back from work.
做作业是持续性动作,回家是非持续性的.
不同的动作做谓语和状语从句的时候,要用不同的介词.
习惯用法,记住就好了.
I was doing my homework when my father came back from work.
My father came back from work while I was doing my homework.
百度作业网