◎ 题干
Mr. Green and Mr. King have taught English at Beijing Sunshine
Secondary School _____ they came to China two years ago.
[     ]
A. since
B. as
C. for
D. until
◎ 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“Mr. Green and Mr. King have taught English at Beijing Sunshine Secondary School _____ they came to China two years ago.[ ]A. sinceB. as C. for D. until …”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。