◎ 题干

31.—Can you tell me what time the flight to Detroit leaves?
—I'm sorry, but it ______.
A.has been canceledB.had been canceled
C.has canceledD.had canceled
◎ 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“31.—Can you tell me what time the flight to Detroit leaves? —I'm sorry, but it ______.A.has been canceledB.had been canceledC.has canceledD.had canceled…”主要考查了你对  【therebe句型】  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。