--Yesterday, I didn’t see Ben at the party. -- You him. We just came back from B
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——Yesterday, I didn’t see Ben atthe party.
—— You _____ him. We just came backfrom Beijing this morning.
A .mustn’t have seen B.needn’t have seen
C. couldn’t see D.can’t have seen
试题答案
【答案】
D
【解析】略