Final answer:
'Cooperative' is the opposite of 'combative,' and it means working together and being helpful. The word pair that represents the opposite relationship is 'determined: discouraged.'
Step-by-step explanation:
The word 'cooperative' is the opposite in meaning to 'combative.' When two words are antonyms, they have opposite meanings. In this case, 'cooperative' means working together and being helpful, while 'combative' means being aggressive or ready to fight.
For example, if two people are working together on a project and collaborating well, they are being cooperative. On the other hand, if two people are constantly arguing and disagreeing with each other, they are being combative.
In the given options, the pair that best represents the opposite relationship between two words is 'determined: discouraged.' 'Determined' means having a strong will and staying focused on achieving a goal, while 'discouraged' means feeling hopeless or lacking motivation.