They‘re having an English class（改为一般疑问句）

They‘re having an English class（改为一般疑问句）
They‘re having an English class（改为一般疑问句）

They‘re having an English class（改为一般疑问句）
What are they doing?/ What class are they having?

Are they having an English class?
祝你学习进步，更上一层楼！ (*^__^*) 欢迎追问，希望能够速度的采纳哦，感激不尽!