I lesson on Wednesday afternoon.A. play pianoB. play a pianoC. have pianoD. have a piano

问题补充：

I lesson on Wednesday afternoon.

A. play piano

B. play a piano

C. have piano

D. have a piano

答案：

A. play piano

B. play a piano

C. have piano

(答案→)D. have a piano

解析：句意：在周三下午，我上了一节钢琴课。英语中lesson是可数名词，play是演奏的意思，故前文加不定冠词a，选D。