We believe the time and hard work _______ in completing such an important project are worthwhile. A．...
2022-11-05 18:43:07 199次 2014-2015学年山东枣庄第十六中学高三上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
We believe the time and hard work _______ in completing such an important project are worthwhile.
A．involved B．involving
C．to involve D．to be involved
本题链接：
