题目内容

—I don’t believe we _______ before.
—Well, I saw you once at a party, but we ______ introduced.
A．have met; weren’tB．met; weren’t
C．have met; haven’t beenD．met; haven’t been
A
这题考查时态语态，第一空填现在完成时，因为有before，第二空从句意看是说在聚会上见过一次，但当时没有被介绍。选 A。
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