选择正确答案

I didn't practice _____ piano.

A. a B. the　　C. X

看图，选择相应的图示

I'm going to ____________ for Lily's birthday party.

A. make a invitation

B. practice some dances

C. practice some songs

--What do you usually ____ after school?

--I usually practice the violin.

A. do　　B. are　　C. in

--When does Cody practice the violin?

--She always practices the violin ____ school.

A. after　　B. of　　 C. to