The money collected should be made good use __________ the people who suffered a lot in the terrible flood in Beijing on the night of July 21, 2012, which caused great losses．

A．of helping    B．to help        C．of to help         D．to helping

The money collected should be made good use ______ the people who suffered a lot in the earthquake.

A. of helping        B. to helping      C. to help           D. of to help

The money collected should be made good use __________ the people who suffered a lot in the terrible flood in Beijing on the night of July 21, 2012, which caused great losses．

1. A.
   of helping
2. B.
   to help
3. C.
   of to help
4. D.
   to helping