请问“work on it had begun before my sister laft.”一句中的work on it怎么讲,

分类: 作业答案 • 2021-12-31 17:08:43

问题描述：

请问“work on it had begun before my sister laft.”一句中的work on it怎么讲,
如题.

答

这是新概念二的课文啊 A new house
这里的work是名词.
即,work on the house had begun before my sister left