变为一般疑问句:It often snows in Beijing.
问题描述：
变为一般疑问句:It often snows in Beijing.
答
Does it often snow in Beijing?
肯定句变为一般疑问句时要有一个动词提到主语前面,但snow是实义动词,实义动词是不能提前的.因此借了一个助动词do,do的第三人称单数是does.
希望这个讲解对你有所帮助!