It is a good way( )improving your english to read for the main idea of the article.介词是?
问题描述：
It is a good way( )improving your english to read for the main idea of the article.介词是?
答
It's a good way to improving your english to read for the main idea of the article!
答
It is a good way ( to )improving your english to read for the main idea of the article.
答
答案：of
a way of doing sth = a way to do sth 做某事的一个方法/方式