◎ 题干
I'm sorry you've been waiting so long, but it'll still be some time _____ Brian gets back.

[     ]

A. before
B. since
C. till
D. after
◎ 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“选出你听到的句子。( ) 1. A. When do you get up? B. When do you play sports? C. When do you go to bed?( ) 2. A. I usually go to school at 7: 45. B. I…”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。