He always felt that his ______ in life was to help old people. 使命
                    举一反三
- A. He was pursuing a suspect. B. He meant to help other people. C. He felt his life threatened. D. He didn’t want the suspect to get away.
 - He has devoted his life ______ disabled people. A: to helping B: to help C: helping D: help
 - He has devoted his life _____blind people. A: to help B: help C: to helping D: helping
 - He ________ his spare time to help the old people in the neighborhood. A: gave in B: gave up
 - He is always ready to help _________ old and ________ young. A: ; B: an; a C: the; the D: an;
 
