Select the most appropriate option to fill in the blank.

Educators have ______ unique responsibility towards the empowerment of their students.

a

The most appropriate option to fill in the blank is a.

The sentence is about the responsibility of educators towards the empowerment of their students. The word "a" is used here because it is referring to one unique responsibility.

The other options are incorrect.

• An is used to refer to a singular noun that starts with a vowel sound. The word "responsibility" starts with a consonant sound, so "an" is not appropriate.
• Some is used to refer to an indefinite number of things. In this context, it is not appropriate to say that educators have some unique responsibility towards the empowerment of their students.
• Few is used to refer to a small number of things. In this context, it is not appropriate to say that educators have few unique responsibility towards the empowerment of their students.