Afterthequarrel,Itriedallmybesttofixthemisunderstandin...

问题详情：

 After the quarrel, I tried all my best to fix the misunderstanding between us, but all my efforts seemed _____.

  A. in trouble             B. in case                    C. in effect                D. in vain

【回答】

D

知识点：介词

题型：选择题