-I don’t believe we before. -Well, I saw you once at a party, but we introduced.
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—I don’t believe we _______ before.
—Well, I saw youonce at a party, but we ______ introduced.
A. have met;weren’t B.met; weren’t
C. have met; haven’tbeen D.met; haven’t been
试题答案
【答案】
A
【解析】略