From the words lettered A to D, choose the word that best completes each of the following sentences: The principal advised all the students to be of help to...

From the words lettered A to D, choose the word that best completes each of the following sentences:

The principal advised all the students to be of help to................

Answer Details

The correct answer is "one another". "One another" is a reciprocal pronoun that means each other. The principal is advising the students to help each other, to work as a team, and to be cooperative towards each other.