They ______ the problems for a long time.Finally the talk ______ without any agreement reached.
问题描述：
They ______ the problems for a long time.Finally the talk ______ without any agreement reached.
1.argued;broke down
2.explained;broke up
3.eompared;broke up
4.communicated;broke down
答
选1
argue就是争论
break down尤指会议,讨论破裂