双重否定题型：

　　1.___________________(我们忍不住笑起来)when he finished the story.
　　2.______________________(人们不能不被他的事迹所感动)after knowing the bachelor has adopted five orphans.
　　3. Don’t always stick to routines ,and you must know___________________(没有无例外的规则).
　　

　　答案：
　　1.We could not help laughing
　　2.One cannot but be moved by his deeds
　　3.there is no rule but has its exceptions