The time he has devoted in the past years __ the disabled is now considered __ of
A. to help; being
B. to helping; to be
C. to help; to be
D. helping; being
查看答案
A) Some draft papers.B) Papers with some information. C) Dictionaries.D) Referenc
A. Some draft papers.
B. Papers with some information.
C. Dictionaries.
D. Reference books.