Thismissileisdesignedsothatonce 国语站 题库 1.75W 大中小设置文字大小 问题详情:This missile is designed so that once_____ nothing can be done to retrieve it. A. fired B. being fired C. they fired D. having fired【回答】A 知识点:相似 相近词比较题型:选择题 TAG标签:#