◎ 题干
--The plane is due to take off at 7∶50 from the airport.
--________ we fail to arrive there in time?
A.What ifB.As ifC.Even ifD.Only if
◎ 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“--The plane is due to take off at 7∶50 from the airport. --________ we fail to arrive there in time?A.What ifB.As ifC.Even ifD.Only if…”主要考查了你对  【并列连词】【从属连词】  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。