◎ 题干
So difficult _____ it to live in an English-speaking country that I determined to learn English well.
[     ]
A. I have felt
B. have I felt
C. I did feel
D. did I feel
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“So difficult _____ it to live in an English-speaking country that I determined to learn English well. [ ]A. Ihave felt B. have I felt C. I did feel D. did I…”主要考查了你对  【一般过去时】【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。