I found that it was diffcult to learn maths well（改为同义句） I三个空填什么to learn maths well

分类: 作业答案 • 2021-12-28 14:54:36

问题描述：

答

I found that it was diffcult to learn maths well（改为同义句） I found it difficult to learn maths well
形式主语