The ability to one another for past wrongs is one of the greatest attributes that anyone

问题补充：

The ability to one another for past wrongs is one of the greatest attributes that anyone should possess or exercise.

A. explain

B. forgive

C. excuse

D. apologize

答案：

A. explain

(答案→)B. forgive

C. excuse

D. apologize

解析：A. explain解释，B. forgive原谅，C. excuse借口，D. apologize道歉，句意：因为过去的错误原谅彼此的能力是任何人应该拥有和练习的品质。所以选B。