问题描述: 单句改错:My mother is often busy to clean the rooms.先来的对的给分要有责任心点,别害我啊 1个回答 分类:综合 2014-11-02 问题解答: 我来补答 My mother is often busy in cleaning the rooms.be busy in doing something.固定搭配 意思是忙于干某事或者在often 后面加too.意思变了,意思是 我妈妈经常太忙而顾不上打扫房间. 展开全文阅读