Ioftenspendtwohours 国语站 题库 3.06W 大中小设置文字大小 问题详情: I often spend two hours _ _ the piano on weekends.A. to practice playing B. practicing playing C. practicing to play【回答】B知识点:动词和动词短语题型:选择题 TAG标签:Ioftenspendtwohours #