Multiple choice

Directions: In the following sentence, three substitutions are given for each italicised part. If one of them is better than the italicised part, that should be your answer. If none of the substitution improves the sentence, the answer should be (4).

The members swore on the Constitution to uphold the integrity of the country.

  1. by

  2. at

  3. upon

  4. No improvement
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When taking an oath or pledge, we use the phrasal verb 'swear by' something, meaning to pledge or promise by its authority. 'Swear on' is incorrect in this formal context. Therefore, 'swear by the Constitution' is the grammatically correct expression.

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