Select the most appropriate option that can substitute the underlined segment in the given sentence.
Gold is much costly than any other metal.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. more
Error concept: Incorrect comparative form of the adjective.
What is wrong: The phrase “much costly than” is incorrect because costly is a regular adjective that forms the comparative with more, not much.
Grammatical concept: For adjectives with two or more syllables, the comparative degree is formed using more + adjective.
Incorrectness of the concept in context: Using much costly is ungrammatical and does not convey the intended comparison correctly.
How to correct: Replace much costly with more costly.
Correct phrase/ correction: more costly
Final sentence: Gold is more costly than any other metal.
Hence, the chosen option is correct.