Ithinkyoushouldpractice        thepianoeveryday. A.play...

问题详情：

I think you should practice         the piano every day.

  A. play           B. to play        C. playing       D. being playing

【回答】

C  practice doing sth. “练习做某事”，是固定搭配。

知识点：动词和动词短语

题型：选择题