◎ 题干
—Was it 11 o'clock ________ your father came back last night?
—Yes, he is always coming back so late.
A.thatB.while
C.whenD.until
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Was it 11 o'clock ________ your father came back last night?—Yes, he is always coming back so late.A.thatB.whileC.whenD.until…”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。