Larry will stay in this beautiful village for a month.对for a month提问
问题描述：
Larry will stay in this beautiful village for a month.对for a month提问
答
How long will Larry stay in this beautiful village
对for a month提问,即对一段时间的长短进行提问,因此用how long
再将wil提前,其余的部分照抄 懂了吗：）