The time he has devoted ________the disabled is now considered _____of great value.（4分） A to help、being B to helping、to be C help、 to be D helping、 being

问答题Mrs. White found her husband surrounded by letters and papers and _____ very worried.（4分） A look B looks C looking D to look

问答题It seems difficult to _________ “hurt” from “injure” in meaning.（4分） A judge B tell C divide D separate