The sentence - The ranchers called in the sheriff to settle the dispute - is written in the active voice.
The passive voice would be - The sheriff was called by the ranchers to settle the dispute.
The New Oxford American Dictionary (NOAD) is a substantial revision of the Oxford Dictionary of English (ODE, which is a British English dictionary). ... ODE was revised for NOAD, with some spelling changes, new words found only in the US, and (rarely) some changes in the order of entries for the American market.
D. Highlighting it makes the prices of changing the connections
The first sentence has the pronoun reference error. it sounds like AL is scratching not the dog. the error is using "he" just eliminate the word.