◎ 题干
—What happened? I called you several times yesterday evening, but I couldn't get through.
—Sorry, my sister and I ________ on the phone all the time.
A.talked B.have talked
C.were talking D.have been talking
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—What happened? I called you several times yesterday evening, but I couldn't get through.—Sorry, my sister and I ________ on the phone all the time.A.talkedB…”主要考查了你对  【过去进行时】【过去进行时的被动语态】  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。