◎ 题干
Peter and Tony visited their English teacher this morning, but Rosa ______.

A. wasn't
B. doesn't
C. didn't
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Peter and Tony visited their English teacher this morning, but Rosa ______. [ ]A. wasn't B. doesn'tC. didn't …”主要考查了你对  【助动词的过去式】  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。