John and I friends for eight years. We first got to know each other at a Christmas party. But we each other a couple of times before that.
A. had been； have met
B. have been； have met
C. had been； had met
D. have been； had met
网友回答
A. had been； have met
B. have been； have met
C. had been； had met
(答案→)D. have been； had met
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