In this question, sentence is given with blank to be filled in with an appropriate word. Four alternatives are suggested for question. Choose the correct alternative out of the four.
He was sworn __ as the Prime Minister of our country.

Options

A. in
B. off
C. about
D. out

Answer

A

Explanation

swear-in : to make somebody promise to do a job correctly.
Here, swear-in is the right usage.