They need to work hard at their lessons怎么讲这句话改为一般疑问句?

问题描述:

They need to work hard at their lessons怎么讲这句话改为一般疑问句?
谢谢谢谢各位大师O(∩_∩)O~

Do they need to work hard at their lessons?
need 在这里是行为动词,而主语是they,所以需要助动词 Do + 主语+动词原形的结构
不明白的再问哟,请及时采纳,多谢