问题补充:
you play piano when you were young?
A. Can, /, good
B. Could, /, well
C. Could, the , well
D. Can, the, good
答案:
A. Can, /, good
B. Could, /, well
(答案→)C. Could, the , well
D. Can, the, good
解析:play表示“弹、拉、演奏”等意思,后接表示“乐器”的名词时,名词前须用冠词,;修饰olay应用副词 well(good是形容词),故选C。