题目

Work on it had begun before my sister left.work on it 是什么结构
We are now living in a beautiful new house in the country.Work on it had begun before my sister left.
我们现在住在乡间的一栋漂亮的新住宅里.这栋房子在我姐姐离开之前就已动工了.后一句可否改为
The new house had begun before my sister left.work on it 是什么结构,

提问时间：2020-10-20

答案

The new house had begun before my sister left你要这样写那意思翻译不通啊,看上去让人不明白是什么意思.你可以改成这样:The work on the new house had begun before my sister left.
Work on it是名字加定语的结构吧.