◎ 题干
— Have you seen Shirley since she moved away?
— Yes. I’ve seen her several times. She comes back to visit us ______.
A.at any moment B.from time to time
C.in no timeD.sooner or later
◎ 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“ — Have you seen Shirley since she moved away?— Yes. I’ve seen her several times. She comes back to visit us ______.A.at any moment B.from time to timeC.in …”主要考查了你对  【序数词】  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。