↑ 收起筛选 ↑
试题详情

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

高三英语单项填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题