Volunteering, asawayofbuildingcharacter,ispopulara... 国语站 题库 5.49K 大中小设置文本大小 问题详情: Volunteering, as a way of building character, is popular among young people in western countries. A. seeing B. to see C. seen D. being seen【回答】C知识点:非谓语动词题型:选择题 TAG标签:volunteering #