Difficulty: Easy
Correct Answer: isn't it?
Explanation:
Given data
Concept/Approach: Tag formationThe tag must mirror the auxiliary and subject with opposite polarity: 'hasn't she?' not 'isn't it?'
Step-by-step correctionReplace tag: 'isn't it?' → 'hasn't she?'
Common pitfallsUsing 'isn't it?' as a default tag for all sentences.
Final AnswerC — Correct tag: 'hasn't she?'
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