Select the most appropriate option to fill in blank no. 3.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e., certain.
Filler Concept: This is a vocabulary-based filler requiring a suitable adjective to describe the age at which boys and girls begin sharing parental work.
Grammatical Explanation:
"A certain age" is a standard expression meaning "a particular but unspecified age."
"Settled," "decided," and "fixed" imply finality or arrangement, which are inappropriate for describing age in this context.
"Certain" here implies a known or expected point in development, fitting the tone and meaning of the passage.
Correction: After a certain age, boys and girls should have a share in parental occupations...
Final Sentence: After a certain age, boys and girls should have a share in parental occupations...
Conclusion: The correct answer is certain, as it correctly conveys the idea of a particular but unspecified age.