问题
选择题
I_______ the piano for two years.
A．have bought
B．will buy
C．am buying
D．have had
答案
答案：D
本题的含义是我已经买了钢琴有两年了，根据句意应该用完成时态，故不选BC，buy为短暂动词，不和时间长度连用，故不选A，只能选D。
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I_______ the piano for two years.
A．have bought
B．will buy
C．am buying
D．have had
答案：D
本题的含义是我已经买了钢琴有两年了，根据句意应该用完成时态，故不选BC，buy为短暂动词，不和时间长度连用，故不选A，只能选D。