At the root of volunteering is the idea ________ one person may have the ability to offer services t...
2022-11-15 06:18:30 94次 2014-2015学年江苏响水中学高二上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
At the root of volunteering is the idea ________ one person may have the ability to offer services that can help other people.
A. that B. what C. which D. /
本题链接：
