问题
选择题
Only when I left my hometown ________ how precious it is to me. [ ]
A. did I realize
B. I realized
C. had I realized
D. I had realized
答案
答案：A
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Only when I left my hometown ________ how precious it is to me. [ ]
A. did I realize
B. I realized
C. had I realized
D. I had realized
答案：A