Who did steal the books from the library?这样写对吗?还是Who stole the books from the library?为什么不用Did提问啊
问题描述：
Who did steal the books from the library?
这样写对吗?还是Who stole the books from the library?
为什么不用Did提问啊
答
正确说法：Who stole the books from the library?