问题
选择题
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
答案
答案：D
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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
答案：D