Susanfinallybecameapopularsingeraftershepracticed 国语站 题库 2.39W 大中小设置文字大小 问题详情: Susan finally became a popular singer after she practiced ______ for years.A) sing B) to sing C)sang D) singing【回答】D知识点:动词和动词短语题型:选择题 TAG标签:#