Help others whenever you can ______ you will make the world a nicer place to live in.

1. A.
   and
2. B.
   or
3. C.
   unless
4. D.
   but

Help others whenever you can _______ you will make the world a nicer place to live in.

A.and                           B.or                             C.unless                       D.but

.Help others whenever you can_____ you will make the world a nicer place to live in.

A. and                         B. or                           C. unless               D. but

Help others whenever you can ______ you will make the world a nicer place to live in.

   A. and        B. or          C. unless       D. but

Help others whenever you can_____ you will make the world a nicer place to live in.

A. and                         B. or                           C. unless               D. but