◎ 题干
Since my return to China, I haven't seen my host mother in America; nor _____ from her.

A. I heard
B. I have heard
C. did I hear
D. have I heard
◎ 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“Since my return to China, I haven't seen my host mother in America; nor _____ from her. [ ]A.I heardB. I have heard C. did I hear D. have I heard …”主要考查了你对  【现在完成时】【部分倒装】  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。