It’s important for Jim the piano well if he wants to be a musician.A. playB. to playC. p

问题补充：

It’s important for Jim the piano well, if he wants to be a musician.

A. play

B. to play

C. playing

D. played

答案：

A. play

(答案→)B. to play

C. playing

D. played

解析：本题的it是形式主义，真正主义位于句尾用动词不定式to do，故本题选B。