—Hi,Sally.Thanks 国语站 题库 1.44W 大中小设置文字大小 问题详情：—Hi, Sally. Thanks _______ your help. —You’re welcome.A. for B. at C. in D. on【回答】A 知识点：介词和介词短语题型：选择题 TAG标签：HiSallyThanks #
