Difficulty: Easy
Correct Answer: of
Explanation:
Given data
Concept/Approach
Standard usage is enamoured of (BrE) / enamored of (AmE) when the object is a quality/person.
Option analysis
of — correct idiom: “enamored of her grace.”with — used by some speakers but less standard with an abstract quality.by/in — incorrect in this construction.
Common pitfalls
Confusing “enamored with” (informal, chiefly with things) with the more standard “enamored of.”
Final Answer
of
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