频率副词 often, sometimes, always — 英语选择题
题目
莉莉周一到周五放学后都读书；周一、周三、周五踢足球；只在周二唱歌。本题约定：5天都做用 always，3天做用 often，1天做用 sometimes。哪句话正确？A. Lily always reads books after school. B. Lily sometimes plays football after school. C. Lily always sings after school. D. Lily often sings after school.