◎ 题干
—Have you got your new job yet, Bob?
—Kind of. But the interviewer said they needed a reference from my former employer ________ they
    could give me a definite offer.
[     ]
A. until  
B. when
C. once  
D. before
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—Have you got your new job yet, Bob?—Kind of. But the interviewer said they needed a reference from my former employer ________ theycould give me a definite of…”主要考查了你对  【从属连词】【状语从句】  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。