◎ 题干
After the quarrel, I tried all my best to remove the misunderstanding between us, but all my efforts seemed ________.
[     ]
A.in vain  
B.in case
C.in time  
D.in trouble
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“After the quarrel, I tried all my best to remove the misunderstanding between us, but all my efforts seemed ________.[ ]A.in vainB.in caseC.in timeD.in trouble…”主要考查了你对  【介词和介词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。