The scientists finally solved this problem after many years of hard workAfter many years of hard work ,the scientists solved this problem（）（）（）怎么改成下面的形式
问题描述：
The scientists finally solved this problem after many years of hard work
After many years of hard work ,the scientists solved this problem（）（）（）
怎么改成下面的形式
答
in the end
答
填：After many years of hard work ,the scientists solved this problem（in ）（the）（end）
这道题就是填finally的同义词=in the end