I am practicing playing the violin.有语病吗?

I often spend two hours( )footballA.practicing play B.practice playing C.practicing playing D.practice play选择 I am practicing playing the violin.有语病吗? I spent half an hour _______the violin yesterday.A.practice play B.practicing play C.practicing playing D.practiced playing一定要确定,而且要写出原因! I am sure that __you keep on practicing.缺少了什么,里面应该填什么? i'd play the piano better if i __more .a practicing b can practice c practiced d will practice I seldom play them.I am too b_______to play them. I have a math practicing. I am very interested in the play I am going to play with my I play soccer and I am on the swim team A: I'm not good at playing football. B: Practice more and you will play it well.为什么B说的话中要用 Practice ?不用Practicing?不用动名词吗?! ( )——I am practicing running now.Because there ______ a sports meeting next Saturday.A.is B.is going to have C.is going to be I don't like the TV play.句型转换.I am ____ ____ the TV play. 实意动词能单独做谓语吗?比如i play game.还是i am play game. 改错：I am good at play the piano. I am going to play football.改成一般的疑问句 I am play the piano 找错并改正 I am going to play the violin一般疑问句