Select the most appropriate option to fill in the blank.
His actions are incompatible ______ his words.
Show answer & explanation
Correct answer: C
Explanation
The most appropriate option to fill in the blank is with.
Grammar Rule: The adjective incompatible is a "fixed preposition" word, meaning it is standardly followed by the preposition with when describing two things that cannot exist or work together.
Context: In this sentence, the speaker is stating that there is a contradiction between what the person does ("actions") and what he says ("words").