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

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

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

试题答案

A.

解析:

无论你什么时候帮助别人，那么你就会使世界变的更加和谐美好。祈使句+and/or/otherwise+将来时