问题
选择题
-I remember you were a talented pianist at college. Can you play the piano for me?
- Sorry, I the piano for years.
A．don't play
B．wasn't playing
C．haven't played
D．hadn't played
答案
答案：C
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，答案选C。