◎ 题干
When we got to the airport,John had been ____________ the plane.
[     ]
A.abroad
B.above
C.aboard
D.absorb 
◎ 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“When we got to the airport,John had been ____________ the plane.[ ]A.abroad B.above C.aboard D.absorb …”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。