Hisexperimentprovedtobe 国语站 题库 2.26W 大中小设置文字大小 问题详情： His experiment proved to be _____ success once again; that is, all his efforts ended in ______ success. A. /; a B. a; a C. the; the D. a; /【回答】D知识点：冠词题型：选择题 TAG标签：#
