问题描述: Finally,he decided to leave without ( )good-bye to his friend(say) 1个回答 分类:英语 2014-11-01 问题解答: 我来补答 【答案】saying【解析】without 是介词,后加 动词 ing 形式》》》》》良师益友伴你行 团队为你解答《《《《《 欢迎追问 \(^o^)/~ 展开全文阅读