Find the incorrect part of the sentence:
You should not laugh on others.
Show answer & explanation
Correct answer: A
Explanation
In English, the verb "laugh" is followed by the preposition "at" when referring to the person or thing being ridiculed or mocked.
Correction: The preposition "on" should be replaced with "at".
Correct Sentence: "You should not laugh at others."
Context: While we can "laugh on" an occasion (less common), "laugh at" is the standard idiomatic expression for mockery or finding someone/something funny.