◎ 题干
They had no sooner arrived at the airport ________ it was time to check in.
[     ]
A. when  
B. before
C. than  
D. though
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“They had no sooner arrived at the airport ________ it was time to check in.[ ]A. whenB. beforeC. thanD. though…”主要考查了你对  【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。