-- remember you were a talented pianist at college. Can you play the piano for me?-- Sorry, I the piano for years.A.don't playB.wasn't playingC.haven't playedD.hadn't played
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C解析首先通过对话，很容易判断出说话者说的是现在情况，因此时间为现在。通过先时后态原则，排除B, D. 再通过for years可判断出是从过去一直到现在的一个持续状态，可由此判断应用现在完成时，