Select the pronoun that correctly completes this sentence: neither brent nor graham can give report today. a) him b) his c) their d) they're

You wouldn't be able to use the pronoun him in this case because there are two people involved.
This is the same case for the pronoun his.
The pronoun they're wouldn't make any sense because it's a combination of the words they and are.
You would have to use the pronoun their, since it's talking about something that belongs to a person or people.
So the answer is C.) their