问题
选择题
When we first met on a train in 2000, we both felt immediately that we _____ each other for years. [ ]
A. know
B. had known
C. know
D. have known
答案
答案：B
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When we first met on a train in 2000, we both felt immediately that we _____ each other for years. [ ]
A. know
B. had known
C. know
D. have known
答案：B