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
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
B