There're only (one) factory in the village.(对划线部分提问) () () () () () in the village?
网友回答
因为你也没有标明划线的部分,我猜测就是括号中的那部分是要提问的,所以答案是：
How many factory is there in the village?
How many factories are there in the village?
两种方法都对,因为提问者并不知道有多少工厂在那个村庄里,所以不管单复数都可以的.