Thetimehehasdevotedinthepast10years 国语站 题库 1.9W 大中小设置文字大小 问题详情:The time he has devoted in the past 10 years____the disabled is now considered_____ of great value. A. to helping; being B. to helping; to be C. to help; to be D. helping; being【回答】B知识点:介词题型:选择题 TAG标签:#