Afterthequarrel,Itriedallmybesttofixthemisunderstandin...

問題詳情：

 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

知識點：介詞

題型：選擇題